bgporter + sciencefair 5
Science Fair Project Ideas, Answers, & Tools
march 2009 by bgporter
Saving for future science fairs.
sciencefair
project
experiments
march 2009 by bgporter
Spark of Destruction - Popular Science
april 2007 by bgporter
A Spark plug is one of those humble, anonymous things without which the world would grind—or rather coast—to a halt. And like many underappreciated cogs in the machine, it has a really hard life. A good modern plug will endure 300 million sparks (arou
sciencefair
april 2007 by bgporter