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2057: Time Travel (2:44)
Is time travel possible? What will the future be like, and could a time traveler affect it? Check out this video for more information. Brought to you by the Discovery Channel.
Einstein's Messengers (20:11)
An award-winning 20-minute documentary on LIGO, the Laser Interferometer Gravitational Wave Observatory. The video examines how LIGO is spearheading the completely new field of gravitational wave astronomy and opening a whole new window on the... More »
David Deutsch on the Multiuniverse Theory (19:45)
Watch this video from TED featuring legendary physicist David Deutsch on HowStuffWorks. David Deutsch is author of The Fabric of Reality, and the leading proponent of multiverse theory, the astounding idea that our universe is constantly spawning... More »
NASA Talks Gravity (0:59)
Watch this video featuring BMX superstar Chad Kagy as he talks about gravity on HowStuffWorks. Even when Chad Kagy is spinning off the top of the half-pipe, he's stable and completely in control. Whether your launching pad is the half pipe, or the... More »
A Hammer and a Feather on the Moon (1:00)
Watch this video to see what happens when you drop a hammer and feather on the Moon? See how a near-vaccum on the moon allows a hammer and a feather to fall at the same rate.
