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robertogreco + physics   152

Mustafa's Space Drive: An Egyptian Student's Quantum Physics Invention | Fast Company
"Aisha Mustafa, a 19-year-old Egyptian physics student, patented a new type of propulsion system for spacecraft that uses cutting edge quantum physics instead of thrusters…

Mustafa invented a way of tapping this quantum effect via what's known as the dynamic Casimir effect. This uses a "moving mirror" cavity, where two very reflective very flat plates are held close together, and then moved slightly to interact with the quantum particle sea. It's horribly technical, but the end result is that Mustafa's use of shaped silicon plates similar to those used in solar power cells results in a net force being delivered. A force, of course, means a push or a pull and in space this equates to a drive or engine.

In terms of space propulsion, this is amazing…

if you want proof that the tiniest of pushes can propel a spacecraft, check this out: Two Pioneer space probes, launched in the 1970s, are the farthest manmade objects from Earth...but they're not as far away as they should be…"
thisishuge  spaceprobes  pioneer  casimireffect  propulsion  aishamustafa  2012  spacetravel  energy  quantum  space  science  solarsail  quantumphysics  physics  from delicious
5 days ago by robertogreco
Kill Math
"The power to understand and predict the quantities of the world should not be restricted to those with a freakish knack for manipulating abstract symbols.

When most people speak of Math, what they have in mind is more its mechanism than its essence. This "Math" consists of assigning meaning to a set of symbols, blindly shuffling around these symbols according to arcane rules, and then interpreting a meaning from the shuffled result. The process is not unlike casting lots."

This mechanism of math evolved for a reason: it was the most efficient means of modeling quantitative systems given the constraints of pencil and paper. Unfortunately, most people are not comfortable with bundling up meaning into abstract symbols and making them dance. Thus, the power of math beyond arithmetic is generally reserved for a clergy of scientists and engineers (many of whom struggle with symbolic abstractions more than they'll actually admit).

We are no longer constrained by pencil and paper…"
paullockhart  teaching  killmath  via:derrickschultz  bretvictor  design  programming  learning  education  mathematics  math  visualization  philosophy  physics  from delicious
february 2012 by robertogreco
Norman Brosterman - Inventing Kindergarten: Seedbed of Modern Art | Video on PBS & NPR Forum Network
"Norman Brosterman discusses the history of kindergarten and its influence on such modernist giants as Frank Lloyd Wright, Wassily Kandinsky, Piet Mondrian, Le Corbusier and the Bauhaus school.
In his book Inventing Kindergarten, Brosterman argues that within this lost world of women and children we can locate the seedbed of modern art. With its emphasis on abstract decomposition and building up from elemental forms, the original kindergarten system of the mid-nineteenth century created an education and design revolution that profoundly affected the course of modern art and architecture, as well as physics, music, psychology and the modern mind itself."
decomposition  design  education  music  physics  psychology  architecture  art  modernism  inventingkindergarten  bauhaus  lecorbusier  pietmondrian  wassilykandinsky  franklloydwright  normanbrosterman  2005  from delicious
february 2012 by robertogreco
The Startling Science of a Starling Murmuration | Wired Science | Wired.com
"What makes possible the uncanny coordination of these murmurations, as starling flocks are so beautifully known? Until recently, it was hard to say. Scientists had to wait for the tools of high-powered video analysis and computational modeling. And when these were finally applied to starlings, they revealed patterns known less from biology than cutting-edge physics."

[See also: http://villagedog.tumblr.com/tagged/starlings AND the video: http://vimeo.com/31158841 AND http://www.pnas.org/content/107/26/11865.full?sid=a053082a-d4c5-4d35-89f0-3529e893235f ]
murmurations  starlings  birds  behavior  nature  animals  physics  flight  groups  patterns  collectiveflight  from delicious
november 2011 by robertogreco
Video: Deducing the Physics of How Cats Fall - Alexis Madrigal - Technology - The Atlantic
"You know when a cat falls, it always lands on its feet. Thomas Kane was the kind of scientist who saw a cat fall and wanted to deduce the biophysics of the trick. In a series of experiments, he dropped cats and photographed them at high-speed, then broke their movements down into mathematics. Then, he had a trampolinist (in a spacesuit!) perform similar motions to imitate the feline. The images of the cat appeared in LIFE Magazine and the International Journal of Solids and Structures. In the latter, Kane's model of the phenomenon is superimposed on Ralph Crane's photographs."
physics  cats  thomaskane  2011  alexismadrigal  humans  space  science  animals  falling  from delicious
september 2011 by robertogreco
The ‘Dramatic Picture’ of Richard Feynman by Freeman Dyson | The New York Review of Books
"a scientist who was unusually unselfish…hated all hierarchies…wanted no badge of superior academic status to come btwn him & his younger friends…considered science to be a collective enterprise in which educating the young was as important as making personal discoveries…put as much effort into teaching as…thinking.<br />
<br />
…never showed the slightest resentment when I published some of his ideas before he did…told me he avoided disputes about priority in science by following a simple rule: “Always give the bastards more credit than they deserve.” I have followed this rule myself. I find it remarkably effective for avoiding quarrels & making friends. A generous sharing of credit is the quickest way to build a healthy scientific community. In the end, Feynman’s greatest contribution to science was not any particular discovery. His contribution was the creation of a new way of thinking that enabled a great multitude of students & colleagues, including me, to make their own discoveries."
richardfeynman  freemandyson  books  humanity  humanism  unselfishness  hierarchy  leadership  teaching  learning  science  philosophy  physics  collectivism  discovery  collaboration  2011  from delicious
july 2011 by robertogreco
Near Future Laboratory » Design Advances
"Design advances…by accepting absurdities<br />
<br />
There's a bit of facing adversity built into that sort of discipline. It means that people are going to look at what you do as absurd — as disconnected from the state of the world right now; as idle experimentation; as just a bunch of weird stuff.<br />
<br />
I think the challenge is around the degree of "advance." Sometimes rather than making "big disruption" sorts of advances, small, simple, low-hanging-fruit sorts of things are more tractable and, potentially — more disruptive for their simplicity… Often these "little things done much better" sorts of disruptions effect human behavior in an unexpectedly profound way. Sadly, the hubris of the main players in constructing the future consider a disruption to be wholesale system change of some sort rather than making little things better than they already are. It's also a battle between complex programs or teams, versus relatively simple ideas with small teams executing a clearly stated vision."
julianbleecker  change  design  physics  advances  advancement  2011  gamechanging  absurdities  experimentation  iteration  low-hangingfruit  disruption  disruptive  disruptiveinnovation  simplicity  vision  lcproject  unschooling  deschooling  tcsnmy  from delicious
may 2011 by robertogreco
Douglas Hofstadter - Wikipedia
"Douglas Richard Hofstadter (born February 15, 1945) is an American academic whose research focuses on consciousness, analogy-making, artistic creation, literary translation, and discovery in mathematics and physics."<br />
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"Both inside and outside his professional work, Hofstadter is driven by a pursuit of beauty. He seeks beautiful mathematical patterns, beautiful explanations, beautiful typefaces, beautiful sonic patterns in poetry, and so forth. Hofstadter has said of himself, "I'm someone who has one foot in the world of humanities and arts, and the other foot in the world of science.""
psychology  math  science  douglashofstaster  physics  consciousness  analogy  art  beauty  interdisciplinary  multidisciplinary  philosophy  literarytranslation  translation  communication  patterns  crossdisciplinary  crosspollination  self-reference  creativity  cognitivesciences  from delicious
april 2011 by robertogreco
Feynman's Nobel Ambition
"Feynman on curiosity-driven learning (or how to recover from burnout)" http://twitter.com/zephoria/status/44450982616248320
richardfeynman  curiosity  passion  learning  play  playethic  burnout  yearoff  education  invention  physics  science  tcsnmy  unschooling  deschooling  motivation  intrinsicmotivation  cv  howwework  howwelearn  toshare  from delicious
march 2011 by robertogreco
A bees-eye view: How insects see flowers very differently to us | Mail Online
"To the human eye, a garden in bloom is a riot of colour. Flowers jostle for our attention, utilising just about every colour of the rainbow.<br />
<br />
But of course, it is not our attention they need to attract, but that of insects, the perfect pollinating agents.<br />
<br />
And as these remarkable pictures show, there is more to many flowers than meets the eye - the human eye at least. Many species, including bees, can see a broader spectrum of light than we can, opening up a whole new world.<br />
<br />
The images, taken by Norwegian scientist-cameraman Bjorn Roslett, present a series of flowers in both natural and ultraviolet light, revealing an insect's eye view."
bees  flowers  light  physics  color  sight  animals  nature  perception  insects  from delicious
december 2010 by robertogreco
A Physicist Turns the City Into an Equation - NYTimes.com ["According to data, when a city doubles in size, every measure of economic activity increases by approximately 15% per capita.]
One quote“A human being at rest runs on 90 watts,” he says. “That’s how much power you need just to lie down. And if you’re a hunter-gatherer and you live in the Amazon, you’ll need about 250 watts. That’s how much energy it takes to run about and find food. So how much energy does our lifestyle [in America] require? Well, when you add up all our calories and then you add up the energy needed to run the computer and the air-conditioner, you get an incredibly large number, somewhere around 11,000 watts. Now you can ask yourself: What kind of animal requires 11,000 watts to live? And what you find is that we have created a lifestyle where we need more watts than a blue whale. We require more energy than the biggest animal that has ever existed. That is why our lifestyle is unsustainable. We can’t have seven billion blue whales on this planet. It’s not even clear that we can afford to have 300 million blue whales.” 
urban  urbanism  geoffreywest  cities  corporations  growth  physics  modeling  models  energy  density  efficience  freedom  remkoolhaas  planning  policy  economics  self-control  short-termmemory  memory  architecture  design  urbantheory  urbanscience  theory  science  data  census  walking  transportation  patternrecognition  patterns  math  mathematics  infrastructure  jonahlehrer  organic  organisms  consumption  metabolism  sustainability  interaction  janejacobs  collaboration  crosspollination  robertmoses  efficiency  from delicious
december 2010 by robertogreco
Project Aether
"Project Aether is a program designed to inspire the next generation of scientists, engineers, explorers, and dreamers.   We collaborate with schools to teach students physics concepts, experimental research skills, and to demonstrate low-cost, accessible space exploration through high altitude balloon launches equipped with HD cameras."
space  spacetravel  science  diy  education  physics  classideas  sdspacesociety  edg  engineering  exploration  spaceexploration  from delicious
december 2010 by robertogreco
The Way of Dr. Tae | Feature | Chicago Reader
""I don't know that I always agreed with him on all of his philosophies of teaching," says Andrew Morrison… "but he was a rare example of someone who was willing to engage in a discussion of what was wrong with how science is taught and what could be done to improve science education."<br />
<br />
Ultimately, though, Kim decided that he didn't care to fight the system, at least not from within. "I made a decision, and it was like, I knew what teaching and learning was, and I knew I couldn't do it at a university, and that blew my mind," he says. "But once I understood that, I had to stop."<br />
<br />
Kim isn't sure exactly what his next job will be, but his short career at Robomodo has led him to consider, among other things, in industrial design.<br />
<br />
"I didn't plan this, but I think it's more interesting this way," said Kim. "In my professor days, I'd see kids going to college thinking they already had their lives & careers all lined up already. In my experience, it doesn't work out that way." "
drtae  education  learning  physics  teaching  unschooling  deschooling  colleges  universities  skateboarding  from delicious
november 2010 by robertogreco
Dr. Tae — Building A New Culture Of Teaching And Learning on Vimeo
via: http://jorgebarahona.posterous.com/the-need-for-connection-engagement-in-educati
drtae  teaching  learning  education  lcproject  tcsnmy  technology  schools  science  skateboarding  mythbusters  brain  connectivism  culture  wikipedia  math  sharing  unschooling  deschooling  reform  iteration  practice  failure  motivation  scientificresearch  classsize  time  agesegregation  schoolcalendar  persistence  authority  coersion  self-motivation  certification  grades  grading  self-evaluation  intrinsicmotivation  physics  calculus  mastery  cheating  honesty  mentoring  tfa  mythbuster  distributedteaching  credentials  change  gamechanging  coercion  from delicious
november 2010 by robertogreco
15-minute writing exercise closes the gender gap in university-level physics | Not Exactly Rocket Science | Discover Magazine
"This simple writing exercise may not seem like anything ground-breaking, but its effects speak for themselves. In a university physics class, Akira Miyake from the University of Colorado used it to close the gap between male and female performance. In the university’s physics course, men typically do better than women but Miyake’s study shows that this has nothing to do with innate ability. With nothing but his fifteen-minute exercise, performed twice at the beginning of the year, he virtually abolished the gender divide and allowed the female physicists to challenge their male peers."
gender  gendergap  science  mathematics  psychology  physics  women  inequality  education  experiments  assessment  confidence  highereducation  prejudice  values  stereotypes  from delicious
november 2010 by robertogreco
The Danger of Cosmic Genius - Magazine - The Atlantic [via: http://ayjay.tumblr.com/post/1554470717/having-myself-grown-up-in-berkeley-where-nobel]
"Einstein could not make change…bus drivers of Princeton had to pick out his nickels & quarters for him. We dimmer bulbs love to seize on tales like this…comforted by the notion of the educated fool. It seems only right that some leveling principle should deprive the geniuses among us of common sense, street smarts, mother wit…<br />
<br />
Having myself grown up in Berkeley, where Nobel laureates are a dime a dozen, I certainly know the syndrome: mismatched socks, spectacles repaired with duct tape, forgotten anniversaries & missed appointments, valise left absentmindedly on park bench. Yet hometown experience did not prepare me completely for Dyson. In my interviews…he would sometimes depart the conversation mid-sentence, his face vacant for a minute or two while he followed some intricate thought or polished an equation, & then he would return to complete the sentence as if he had never been away. I have observed similar departures in other deep thinkers, but never for nearly so long."
climatechange  environment  physics  science  freemandyson  georgedyson  2010  genius  childhood  alberteinstein  concentration  thinking  parenting  biography  religion  faith  belief  sustainability  from delicious
november 2010 by robertogreco
Cities - Radiolab
"In this hour of Radiolab, we take to the street to ask what makes cities tick.<br />
<br />
There's no scientific metric for measuring a city's personality. But step out on the sidewalk, and you can see and feel it. Two physicists explain one tidy mathematical formula that they believe holds the key to what drives a city. Yet math can't explain most of the human-scale details that make urban life unique. So we head out in search of what the numbers miss, and meet a reluctant city dweller, a man who's walked 700 feet below Manhattan, and a once-thriving community that's slipping away."
cities  radiolab  2010  math  physics  nyc  collapse  urban  urbanism  jonahlehrer  size  footfall  comparison  statistics  data  measurement  tolisten  from delicious
november 2010 by robertogreco
Brooklyn Space Program
"The Brooklyn Space Program is a organization formed by a group of friends in New York City interested in scientific experiments, engineering, design and education."
brooklyn  classideas  space  diy  physics  iphone  gps  science  balloons  spacetravel  spaceexploration  from delicious
october 2010 by robertogreco
Galaxy Zoo: Hubble
"Galaxy Zoo: Hubble uses gorgeous imagery of hundreds of thousands of galaxies drawn from NASA's Hubble Space Telescope archive. To understand how these galaxies, and our own, formed we need your help to classify them according to their shapes — a task at which your brain is better than even the most advanced computer. If you're quick, you may even be the first person in history to see each of the galaxies you're asked to classify."
space  astronomy  maps  mapping  physics  crowdsourcing  science  galaxies  classification  collaboration  community  diy  distributed  from delicious
october 2010 by robertogreco
Konstantin Novoselov Interview - Special Topic of Graphene - ScienceWatch.com
"The style of Geim's lab (which I'm keeping and supporting up to now) is that we devote ten percent of our time to so-called "Friday evening" experiments. I just do all kinds of crazy things that probably won’t pan out at all, but if they do, it would be really surprising. Geim did frog levitation as one of these experiments, and then we did gecko tape together. There are many more that were unsuccessful and never went anywhere (though I still had a good time thinking about and doing those experiments, so I love them no less than the successful ones).<br />
<br />
This graphene business started as that kind of Friday evening experiment. We weren’t hoping for much, and when I gave it to a student, it initially failed. Then we had what you could call a stream of coincidences that basically brought us some very remarkable results quite quickly—within a week or so. Then we decided to continue on a more serious basis."
google20%  tcsnmy  graphene  science  physics  materials  play  research  fun  serendipity  experimentation  crossdisciplinary  crosspollination  konstantinnovoselov  interviews  from delicious
october 2010 by robertogreco
Graphene Will Change the Way We Live | Dr. Kaku's Universe | Big Think
"Since then, in the past 6 years, scientists have discovered that the substance retains some amazing properties. Some say that it will be heralded as one of the materials that will literally change our lives in the 21st century. Not only is graphene the thinnest possible material that is feasible, but it's also about 200 times stronger than steel and conducts electricity better than any material known to man—at room temperature. Researchers at Columbia University's Fu Foundation School of Engineering who proved that graphene is the strongest material ever measured said that "It would take an elephant, balanced on a pencil, to break through a sheet of graphene the thickness of Saran Wrap.""
graphene  nobelprize  carbon  engineering  physics  materials  technology  innovation  science  future  from delicious
october 2010 by robertogreco
Horizons [iPhone, iPad, oF] - "Exploration of colour, sound and form" by @julapy + Eli Murray | CreativeApplications.Net
"Horizons is a interactive sound toy which brings together the atmospheric sounds of Eli Murray (Gentleforce) and generative visuals of Lukasz Karluk. The app is an exploration of colour, sound and form.

The design of the piece focuses on creating subtle colour refractions in a rich colour scape using an algorithmic process known as triangulation. Fluidity of interaction is achieved using real-time physics made using the Box2d library and openFrameworks."
horizons  iphone  applications  ipad  sound  toys  color  form  lukaszkarluk  elimurray  gentleforce  algorithms  triangulation  physics  from delicious
september 2010 by robertogreco
HAARP [Look at the thing. Wow.]
"HAARP is a scientific endeavor aimed at studying the properties and behavior of the ionosphere, with particular emphasis on being able to understand and use it to enhance communications and surveillance systems for both civilian and defense purposes." [via: http://chriswoebken.tumblr.com/post/964066970/via-www-haarp-alaska-edu]
atmosphere  haarp  auroral  environment  military  space  science  research  radio  wireless  weather  aurora  physics  nature  technology  ionosphere  from delicious
august 2010 by robertogreco
Hemisphere Games — Osmos
"Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack.

Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax… good things come to those who wait.

Progress from serenely ambient levels into varied and challenging worlds. Confront attractors, repulsors and intelligent motes with similar abilities and goals as you."
osmos  osx  ipad  iphone  mac  macosx  flow  videogames  games  gaming  toplay  physics  ambient  windows  applications  from delicious
august 2010 by robertogreco
Kobe, Karplus, and Inquiry « Action-Reaction [via: http://twitter.com/jybuell/status/20277278711]
"This video (taken from the Win/Fail Physics collection) is the beginning and the end of a mini learning cycle during my projectile motion unit. At the beginning of the unit, it’s the hook. At the end of the unit, it’s the assessment."
physics  wcydwt  science  teaching  exploration  invention  application  from delicious
august 2010 by robertogreco
Challenging Traditional Premedical Requirements as Predictor... : Academic Medicine [via: http://twitter.com/alfiekohn/status/20145165478]
"Despite general agreement that many premed requirements are of limited educational value for the practicing physician or active scientist and that a broad liberal arts education provides direct benefits to practitioners and their patients, little progress has been made toward a fundamental reappraisal. In 2009, over 80% of matriculating applicants entered medical school with majors other than the humanities or social sciences.11 The belief that the premed science background (including one year each of organic chemistry, physics, and calculus) is the best form of student preparation for medical school persists, and admissions committees' reliance on exceptional MCAT scores prevails."
unschooling  deschooling  curriculum  curriculumisdead  interdisciplinary  humanities  science  learning  medicine  medicalschool  tradition  admissions  mcat  calculus  chemistry  organicchemistry  physics  ama  from delicious
august 2010 by robertogreco
NBC Learn
"NBC Learn is the education arm of NBC News. We are making the global resources of NBC News and the historic film and video archive available to teachers, students, schools and universities.
nbclearn  nbc  education  video  videos  reference  socialstudies  science  history  news  body  brain  multimedia  tcsnmy  physics  olympics  technology  sports 
july 2010 by robertogreco
Knotebooks - Anyone can contribute. Everyone can learn.
"Knotebooks is a supplementary education platform that enables students, teachers and self-learners to effortlessly create and collaborate on customized multimedia physics lessons."
collaboration  physics  science  education  free  learning  multimedia  math  opensource  pedagogy  tcsnmy 
july 2010 by robertogreco
Robins can literally see magnetic fields, but only if their vision is sharp | Not Exactly Rocket Science | Discover Magazine
"Some birds can sense the Earth’s magnetic field and orientate themselves with the ease of a compass needle. This ability is a massive boon for migrating birds, keeping frequent flyers on the straight and narrow. But this incredible sense is closely tied to a more mundane one – vision. Thanks to special molecules in their retinas, birds like the European robins can literally see magnetic fields. The fields appear as patterns of light and shade, or even colour, superimposed onto what they normally see.
magnets  animals  birds  robins  via:migurski  migration  nature  perception  physics  vision  biology  compass  magnetic  senses  sight  science  light  evolution 
july 2010 by robertogreco
learningscience.org
"learningscience.org is an organization dedicated to sharing the newer and emerging "learning tools" of science education. Tools such as real-time data collection, simulations, inquiry based lessons, interactive web lessons, micro-worlds, and imaging, among others, can help make teaching science an exciting and engaging endeavor. These tools can help connect students with science, in ways that were impossible just a few years ago. Take a look at a few different types of "learning tools" at this link, Tool Examples. At this point in our project we are highlighting some of the best web resources for science concepts. Although our main emphasis is on students, teachers, and parents, really anyone interested in science education will find the site useful and informative."
science  education  resources  interactive  simulations  chemistry  biology  astronomy  activities  inquiry  teaching  visualization  physics  free 
june 2010 by robertogreco
xkcd: Interdisciplinary
interdisciplinary  physics  psychology  humor  xkcd  science 
june 2010 by robertogreco
Richard Feynman Quotes
"Science is the belief in the ignorance of experts. "
richardfeynman  science  education  writing  culture  consciousness  brain  physics  doubt  uncertainty  knowledge  knowing  names  naming  understanding  tcsnmy 
june 2010 by robertogreco
Lecture Method vs. Peer Instruction « Zero-Knowledge Proofs
"# Students who have recently learned something are better at explaining it to other students than teacher who learned & mastered it years ago. It is difficult for a teacher who has mastery of a concept to be aware of conceptual difficulties of beginning learner.
wcydwt  teaching  education  depthoverbreadth  via:lukeneff  lectures  peerinstruction  tcsnmy  doing  conceptualunderstanding  understanding  math  physics  learning  information  problemsolving  criticalthinking 
june 2010 by robertogreco
Physics First in Science Education Reform
"Biology first, chemistry second, physics third: The traditional American high school science curriculum follows this order. Education reformers do not believe this needs to be the case. In part due to poor student performance in international science assessments, some educators are rethinking the way science should be taught in the United States."
physics  biology  chemistry  sequence  highschool  curriculum  science  education  schools  us  committeeoften 
june 2010 by robertogreco
High School Biology Today: What the Committee of Ten Did Not Anticipate -- Vázquez 5 (1): 29 -- CBE—Life Sciences Education
"Since the recommendation of biology (or natural history, as it used to be called) in 1893 as part of the high school science curriculum, biology was considered a descriptive subject. In the late 1890s biology consisted of zoology, botany, and physiology. The group that decided on the high school science course configuration was the Committee of Ten. The committee was organized by the National Education Association (NEA) in 1892 to deal with the issue of uniform college entrance requirements. This essay argues that the decision of the Committee of Ten to place biology before chemistry and physics needs to be reexamined. The committee's recommendations are still being implemented over a hundred years later, and the issue of high school science course sequence is currently being debated."
science  education  sequence  highschool  schools  curriculum  chemistry  biology  physics  committeeoften 
june 2010 by robertogreco
College Admissions and the Essential School | Coalition of Essential Schools
"When schools change curriculum and assessment practices, everyone worries that students will suffer in the college selection process. But most selective colleges say they're used to unusual transcripts, and big universities are looking for new ways to work with schools in change."
education  change  reform  admissions  colleges  universities  highschool  tcsnmy  transcipts  grades  grading  evaluation  assessment  science  physics  biology  chemistry  sequence  committeeoften  curriculum  habitsofmind  kathleencushman  1994  tedsizer  coalitionofessentialschools  competency 
june 2010 by robertogreco
Explosions in the sky « Snarkmarket
"Robin: Isn’t the span­gling of stars in the sky just basi­cally ran­dom noise onto which we’ve pro­jected pat­terns and then sto­ries? And if that’s been successful—and it toootally has—doesn’t it imply that you could do the same with just about any kind of ran­dom noise? What sort of weird wacky stuff could you spread across your desk to tell sto­ries with?
time  space  thingtothinkabout  constellationalthinking  snarkmarket  robinsloan  timcarmody  johnmayer  astronomy  light  perspective  history  physics  life  whoah  constellations  sky 
may 2010 by robertogreco
The Back Page
"We are in the midst of paradox in math education. As more states strive to improve math curricula and raise standardized test scores, more students show up to college unprepared for college-level math. The failure of pre-college math education has profound implications for the future of physics programs in the United States. A recent article in my local paper, the Baltimore Sun: “A Failing Grade for Maryland Math,” highlighted this problem that I believe is not unique to Maryland. It prompted me to reflect on the causes."
math  education  tcsnmy  comprehension  mathematics  academia  learning  highschool  teaching  testing  standardizedtesting  rigor  politics  physics  curriculum 
april 2010 by robertogreco
Safer Than A Gamble: Finding Truly Random Numbers : NPR
"This is where the weird properties of quantum mechanics come in. In this world, you can have a magnet that is pointing north and south at the same time, so long as you don't look at it.
random  randomnumbers  quantamentanglement  quantummechanics  physics  geigercounters  encryption 
april 2010 by robertogreco
100 Best Websites for Science Teachers - Forensic Science Technician : Online Schools Guide
"With science and math in the headlines, teachers are under more pressure than ever to keep kids up to date. But with shrinking budgets and growing class sizes, it is getting more and more difficult to do so.
teaching  via:cburell  chemistry  biology  science  education  physics  resources 
april 2010 by robertogreco
List of common misconceptions - Wikipedia, the free encyclopedia
"This list of common or popular misconceptions corrects various fallacious, misleading, or otherwise flawed ideas that are described by multiple reliable sources as widely held. The statements below are not the misconceptions, but are the actual facts regarding those misconceptions."
misconceptions  astronomy  cooking  history  literature  music  politics  law  religion  science  health  sport  technology  chemistry  physics  biology  evolution  myths  misconception  culture 
march 2010 by robertogreco
Going, Going, Gone § SEEDMAGAZINE.COM
"Beyond such mundane geopolitical rivalries, the US has a more profound reason to conserve its helium: Every balloon inevitably deflates. Optimistically assuming that demand for the substance continues to grow only a few percent each year, and that the entirety of the globe’s remaining natural gas reserves will be processed for their helium, the NRC report estimates there will only be enough to last another 40 years. It stands to reason that as supplies diminish, helium will be used more efficiently and investments in recycling technologies will grow. But the fact that the Earth’s four-billion year bounty has been so reduced in scarcely a century suggests that helium is sadly not long for this world."
economics  environment  sustainability  helium  scarcity  materials  nature  physics  geology  geography  resources 
march 2010 by robertogreco
Everywhere in a Flash: The Quantum Physics of Photosynthesis | Wired Science | Wired.com
"The quan­tum wiz­ardry appears to occur in each of a pho­to­syn­thetic cell’s mil­lions of antenna pro­teins. These route energy from elec­trons spin­ning in photon-sensitive mol­e­cules to nearby reaction-center pro­teins, which con­vert it to cell-driving charges.
quantum  biology  science  physics  plants  photosynthesis  quantambiology 
february 2010 by robertogreco
when richard feynman (3 January 2010, Interconnected)
"When Richard Feynman refuses to explain how magnets work he fidgets and bounces and puffs in a way I recognise from a friend with long-term mental illness, who does this when he gets excited and gets really into explaining a topic. ... The repulsion of magnets is the same as the repulsion you get when you push your hand against the sofa and it pushes back.
richardfeynman  physics  magnets  definitions  explaining  magneticforce  brain  excitement  mattwebb  mentalillness 
january 2010 by robertogreco
xkcd - Gravity Wells
science  astronomy  space  visualization  gravity  xkcd  planets  scale  physics  earth 
december 2009 by robertogreco
Op-Ed Columnist - The Protocol Society - NYTimes.com
"Economic change is fomenting intellectual change. When the economy was about stuff, economics resembled physics. When it’s about ideas, economics comes to resemble psychology."
davidbrooks  economics  psychology  innovation  culture  society  change  gamechanging  scarcity  philosophy  consilience  networks  protocol  physics  ideas 
december 2009 by robertogreco
Feynman at his best | MetaFilter
""Fun To Imagine"is a BBC series from 1983 featuring theoretical physicist Richard Feynman thinking aloud. What is fire? How do rubber bands work? Why do mirrors flip left-right but not up-down? All is explained in his lovely meanderingly lucid manner.
richardfeynman  physics  metafilter  bbc  lectures  science 
december 2009 by robertogreco
Is The Large Hadron Collider Being Sabotaged from the Future? - Large hardron collider - io9
"What if all the Large Hadron Collider's recent woes are more than bad luck and technical problems? Two noted physicists speculate that the future may be pushing back on the LHC to avert the disaster of observing the Higgs boson ... they put forth the notion that observing the Higgs boson would be such an abhorrent event that the future is actually trying to prevent it from happening."
technology  higgsboson  lhc  paradox  timetravel  physics  theory  science  future  disaster  boson 
october 2009 by robertogreco
Khan Academy [via: http://smartpei.typepad.com/robert_patersons_weblog/2009/09/khan-academy---your-next-high-school---free-on-your-terms.html]
"The Khan Academy is a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere.
education  learning  free  homeschool  economics  teaching  science  math  algebra  mathematics  geometry  trigonometry  physics  tutorials  youtube  calculus  online  finance  lectures  khanacademy  tcsnmy  arithmetic 
september 2009 by robertogreco
Erasing Dark Energy § SEEDMAGAZINE.COM
"But perhaps the largest objection voiced is that this model would require Earth to be at the center of the universe. In other words, it would violate the Copernican principle, which states that the Earth does not have a special, favored place and that the universe is essentially homogeneous."
mathematics  cosmology  gravity  copernicus  darkenergy  universe  physics 
september 2009 by robertogreco
Make: Online: Make: Science Room Home
"Greetings citizen scientists, budding biohackers, and backyard explorers! We think you'll find the Make: Science Room a fun and useful resource. We hope you'll use it as your DIY science classroom, virtual laboratory, and a place to share your projects, hacks, and laboratory tips with other amateur scientists. Your Make: Science Room host is Robert Bruce Thompson, author of Illustrated Guide to Home Chemistry Experiments: All Lab, No Lecture. (Make: Books, 2008) and Illustrated Guide to Forensics Investigations: Uncover Evidence in Your Home, Lab, or Basement (not yet published). We'll be drawing material from these titles first, but will soon branch out into biology, astrononmy, Earth sciences, and other disciplines. We'll be adding lots of material on a regular basis, so check back often. For more info on the site, see Introducing the Make: Science Room."
science  make  tcsnmy  howto  diy  microscope  projects  physics  education  chemistry  forensics  glvo  kids  learning  home  lab 
september 2009 by robertogreco
Edge: Economics is not Natural Science: Douglas Rushkoff
"We must stop perpetuating the fiction that existence itself is dictated by the immutable laws of economics. These so-called laws are, in actuality, the economic mechanisms of 13th Century monarchs. Some of us analyzing digital culture and its impact on business must reveal economics as the artificial construction it really is. Although it may be subjected to the scientific method and mathematical scrutiny, it is not a natural science; it is game theory, with a set of underlying assumptions that have little to do with anything resembling genetics, neurology, evolution, or natural systems."
economics  douglasrushkoff  science  crowdsourcing  change  reform  markets  local  debt  gametheory  stevenjohnson  sustainability  human  physics  power  networks  history  edge  renaissance  middleages  medieval  systems  crisis  theory 
august 2009 by robertogreco
CK-12.org
"CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-content, web-based collaborative model termed the "FlexBook," CK-12 intends to pioneer the generation and distribution of high quality educational content that will serve both as core text as well as provide an adaptive environment for learning."
education  learning  e-learning  physics  science  math  textbooks  opensource  free  curriculum  elearning  books  teaching  resources  openaccess  flexbook  ebooks  opencontent  tcsnmy 
august 2009 by robertogreco
Colliding Particles - A series of films following research in particle physics at the LHC.
"‘Colliding Particles’ is a series of films following just one of the teams of physicists involved in the research at the LHC. The project documents their work at the frontiers of particle physics, exploring the human stories behind the research and investigating the workings of the scientific process itself."
science  physics  video  film  animation  documentary  cern  lhc  education 
july 2009 by robertogreco
Project Tuva: Enhanced Video Player Home - Microsoft Research
education  science  richardfeynman  lectures  tuva  microsoft  billgates  physics  free  video  tutorials  learning 
july 2009 by robertogreco
YouTube - Bouncing Balls - Sixty Symbols
"Collisions between tiny balls creates a curious effect in this film about the so-called "coefficient of restitution"."
physics  energy  counterintuitive 
june 2009 by robertogreco
Spotlight on DML | Promising Evidence for Using Immersive Games in Classrooms
"SMALLab is a mixed-reality platform for learning. It is grounded in the belief that learning is effective when it is embodied (that is, engaging the body and mind in learning), multimodal (visual, sonic, kinesthetic), and collaborative.
smalllab  learning  collaboration  engagement  embodiment  immersive  play  education  visual  movement  immersivegames  kinesthetic  motion  math  chemistry  physics  science  languagearts  poetry 
june 2009 by robertogreco
Freeman Dyson, global warming, biotechnology, evolution, science and religion | Salon Books
"For me, religion is much more about a community of people than about belief. It's fine literature and music. As far as I can tell, people who belong to my church don't necessarily believe anything. Certainly we don't talk about that much. I suppose I'm a better Jew than I am a Christian. Jewish religion is much more a matter of community than it is of belief, and I think that's true of us Christians to a great extent, too."
freemandyson  religion  christianity  atheism  richarddawkins  evolution  technology  climatechange  science  belief  community  biotech  physics  ecology  environment  climate  life  philosophy  future  faith 
march 2009 by robertogreco
The Civil Heretic - Freeman Dyson - Profile - NYTimes.com
"All 6 Dysons describe eventful child­hoods w/ people like Feynman coming by...father...always preaching virtues of boredom: “Being bored is the only time you are creative”...Around the Institute for Advanced Study, that intellectual Arcadia where the blackboards have signs on them that say Do Not Erase, Dyson is quietly admired for candidly expressing his doubts about string theory’s aspiration to represent all forces and matter in one coherent system. “I think Freeman wishes the string theorists well,” Avishai Margalit, the philosopher, says. “I don’t think he wishes them luck. He’s interested in diversity, and that’s his worldview. To me he is a towering figure although he is tiny — almost a saintly model of how to get old. The main thing he retains is playfulness. Einstein had it. Playfulness & curiosity. He also stands for this unique trait, which is wisdom. Brightness here is common. He is wise. He integrated, not in a theory, but in his life, all his dreams of things.”"
freemandyson  skepticism  science  play  curiosity  diversity  tcsnmy  physics  futurism  future  climate  globalwarming  time  weather  boredom  creativity  sandiego  geneticengineering  tinkering  learning  habitsofmind  howwework  richardfeynman  generalists  attention  nuclearweapons  algore  optimism  intellect  genius  interdisciplinary  problemsolving  ingenuity  multidisciplinary  crossdisciplinary  orthodoxy  heretics  belief  debate 
march 2009 by robertogreco
Foreign Policy: The List: Five Physics Lessons for Obama
"Everyone expects the U.S. president to know the difference between Sunni and Shiite, or understand the causes of the financial meltdown. But in today’s high-tech world, many critical issues have more to do with electrons than economics. Here are five short physics lessons for President-elect Obama from the author of Physics for Future Presidents."
policy  us  government  barackobama  energy  environment  green  politics  physics  nuclear  science  terrorism  space  mannedspaceflights 
november 2008 by robertogreco
4 Flash Games to Help Educate Your Kids | Geekdad from Wired.com
"Recently, a friend shared the news that he’d spent half a morning in bed with his 7 year-old son recently playing a simple flash game. It was, as they can be, addictive – but it was also full of learning opportunities and fostered creativity in a way that so many of us want for our children.
learning  games  flash  geekdad  edg  play  children  online  gaming  physics  education 
october 2008 by robertogreco
Corruption in textbook-adoption proceedings: 'Judging Books by Their Covers' [via: http://www.kottke.org/08/10/feynman-on-school-textbooks]
"In 1964 the eminent physicist Richard Feynman served on the State of California's Curriculum Commission and saw how the Commission chose math textbooks for use in California's public schools. In his acerbic memoir of that experience, titled "Judging Books by Their Covers," Feynman analyzed the Commission's idiotic method of evaluating books, and he described some of the tactics employed by schoolbook salesmen who wanted the Commission to adopt their shoddy products."
textbooks  richardfeynman  pedagogy  schools  corruption  education  learning  language  humor  mathematics  physics  science  politics  teaching  absurdity  perpetualabsurdity 
october 2008 by robertogreco
Seed: The Statistical Universe
"We cannot see farther into the universe because the big bang happened only 14 billion years ago and light from distant regions has not had enough time to reach Earth. Yet subtle clues are beginning to reveal some of the properties of the regions of space hidden beyond our cosmic horizon. Our world appears to be only a small part of a "multiverse," an expanse vastly larger than the visible universe, and for the most part completely different from it."
astronomy  cosmology  universe  science  time  stringtheory  physics 
october 2008 by robertogreco
Wanna Learn About Statistics? Read A Comic | Geekdad from Wired.com
"Edu-Manga, welcome to America. This uniquely Japanese twist on education pairs the normal lessons one would find in a technical book with a manga graphic novel format. Of course it's more than just raw information presented as a comic. There's a plot! ... Following up The Manga Guide to Statistics is The Manga Guide to Databases, due out in December, and one teaching calculus (March '09). Further titles include physics, molecular biology, electricty and relativity, to be published by No Starch through the end of 2009."
manga  comics  education  learning  statistics  physics  science  databases  electricity  books  molecularbiology  biology  relativity 
october 2008 by robertogreco
xkcd - A Webcomic - Height
xkcd  visualization  humor  universe  space  maps  physics  astronomy  comics  science 
october 2008 by robertogreco
Op-Ed Contributor - The Origins of the Universe - A Crash Course - Op-Ed - NYTimes.com
"Should any of the particles described above be produced at the Large Hadron Collider, from Higgs particles to black holes, corks will rightly pop in physics departments worldwide. But the most exciting prospect of all is that the experiments will reveal something completely unanticipated, something that forces us to rethink our most cherished explanations."
physics  briangreene  lhc  higgsboson  blackholes  universe  science 
september 2008 by robertogreco
The Particle Zoo: Subatomic Particle plushies - Higgs Boson
"What a snob. He's the one everyone wants to meet, but for now he's playing hard to get. Higgs Boson is also part of the Theoreticals 4-Pack. and Boson 5-Pack."
science  toys  humor  physics  higgsboson  plush  glvo 
september 2008 by robertogreco
Top 10 Amazing Physics Videos | Wired Science from Wired.com
"Tesla coils, superconductors, and hilarious music videos are great reasons to be excited about physics. Here are some of our favorites."
science  video  physics  chemistry 
september 2008 by robertogreco
Seedmagazine.com | Revolutionary Minds | The Re-envisionaries
"The more science advances, the less, it seems, that any one discipline holds all the answers—even to the problems that a discipline was originally conceived to answer. So it's not surprising that some of today's most innovative scientific thinkers are making breakthroughs by hybridizing multiple fields. In this installment of Seed's Revolutionary Minds series, we feature five young researchers whose work fuses seemingly disparate disciplines. By drawing upon the techniques, insights, or standard models of other scientific fields, these individuals are redefining their own. Among them are a computer scientist who rethought the concept of information after studying immune systems; an archaeologist who believes material culture is an important driver of human cognitive evolution; and an astronomer who has discovered how to take an MRI of the cosmos. These thinkers are doing more than merely crossing disciplinary boundaries—they are altogether shattering them."
science  innovation  interdisciplinary  crossdisciplinary  crosspollination  seed  neuroscience  astronomy  genetics  fringe  neuroarchaeology  geneticacculturation  immunocomputing  stochasticbiology  biology  physics  astronomicalmedicine  lambrosmalafouris  cognitive  cognitiveevolution  extendedmind  multidisciplinary  archaeology  gamechanging  anthropology  philosophy 
august 2008 by robertogreco
Phun - 2D physics sandbox
"Phun is a free game like 2D physics sandbox where you can play with physics like never before. Children, students, engineers, artists, university professors, and many others, use Phun for telling stories, learning, constructing amazing machines, creating games - or just for the plain fun of it."
physics  simulations  edg  srg  play  mechanics  science  freeware  software 
august 2008 by robertogreco
Fantastic Contraption: A fun online physics puzzle game
physics  simulations  mechanics  play  games  building  edg  srg 
august 2008 by robertogreco
Robert Lang folds way-new origami | Video on TED.com
"Robert Lang is a pioneer of the newest kind of origami -- using math and engineering principles to fold mind-blowingly intricate designs that are beautiful and, sometimes, very useful."
math  origami  art  robertlang  science  technology  ted  physics  classideas  software 
july 2008 by robertogreco
List of unsolved problems - Wikipedia, the free encyclopedia
"A list of unsolved problems may refer to several conjectures or open problems in various fields: in chemistry, cognitive science, computer science, economics, linguistics, mathematics, neuroscience, philosophy, physics, statistics"
via:kottke  wikipedia  science  problems  physics  chemistry  computers  cognitive  philosophy  linguistics  economics  statistics  neuroscience  math  crowdsourcing  problemsolving  computing  puzzles  classideas 
july 2008 by robertogreco
Seed: The Shape of Music - How do harmony and melody combine to make music?
"Pythagoras was correct more than two and a half millennia ago: Music provides one of the clearest examples of a much deeper relation between mathematics and human experience."
consilience  geometry  math  physics  science  music  space  structure  topology  visualization 
july 2008 by robertogreco
Cornstarch, water and bass video proves conclusive awesomeness of physics - Boing Boing
"If you ever doubted, even for a second, that non-Newtonian goo (e.g., cornstarch and water) is from a totally different (and infinitely preferable) universe, behold! Cornstarch paste + subwoofer == proof positive."
science  cornstarch  classideas  video  physics 
july 2008 by robertogreco
Slide 1 of 12 (Patagonia, Interesting08)
"Now let’s say that the laws of physics are more like habits of nature. It almost doesn’t matter what they are, so long as they’re consistent when they meet. So long as humanity was separated by the Atlantic, it’s possible for the old world – Eu
mattwebb  patagonia  physics  perception  fiction 
june 2008 by robertogreco
Seed: The Reality Tests
"A team of physicists in Vienna has devised experiments that may answer one of the enduring riddles of science: Do we create the world just by looking at it?"
physics  reality  science 
june 2008 by robertogreco
BBC NEWS | Science/Nature | Hints of 'time before Big Bang'
"A team of physicists has claimed that our view of the early Universe may contain the signature of a time before the Big Bang." "If the Caltech team's work is correct, we may already have the first information about what came before our own Universe."
cosmology  science  time  physics  bigbangg  universe  astrophysics 
june 2008 by robertogreco
Warren Ellis » Every Single Day - "Turn this one around in your head tonight: what if a universe is a thing that builds more universes? ...
"...Or a postbiological animal that reproduces more universes in n-dimensional space? We learn stuff like this every single day. Every single goddamned day a new idea just falls out of the sky. Who’d want to live anywhere else?"
warrenellis  time  learning  cosmology  physics  space  universe  reality  science  ideas 
june 2008 by robertogreco
Animate Projects - Magnetic Movie
"Natural magnetic fields are revealed as chaotic, ever-changing geometries as scientists from NASA’s Space Sciences Laboratory excitedly describe their discoveries."
science  video  magnetic  visualization  animation  motion  physics 
june 2008 by robertogreco
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