Wonder what it would be like to have Parts I and II of ''Back to the Future'' synched up on a split-screen during which both Marty McFlys are together? Here's your answer!

View of a Schwarzschild wormhole as would be seen by a free falling observer on a Schwarschild black hole.

GRRRR

L.H.C. shall produce particles of a mathematically new type of fundamental scalars, i.e. the Higgs particles, there is potentially a chance to find hitherto unseen effects such as influence going from future to past, which we suggest in the present paper.

Using the time travel conceit the characters alter history with visits to Jesus Christ, altering the outcome of Civil War and World War II battles and often doing battle over the Scientology characters.

In the Darth Vader scene, Marty has a modern hair dryer tucked in his belt, obviously not something they had in 1955. Where did this come from? ... <blink> HOVERBOARDS ARE NOT REAL</blink>

back to the future timeline diagram ognoessssss

Time travel has been a staple in Science Fiction since H.G. Wells. Unfortunately, much of what passes for intelligence in this area is poorly considered.