2:46   What would a rainbow be like on Tatooine? 2:48   What if the Moon were made entirely of electrons? 3:04   What if Earth’s Water Suddenly Disappeared? 4:20   What if a glass of water were LITERALLY half empty? 4:02   But what if we tried MORE power? 3:52   What if everyone jumped at once? 2:53   What if you floated upwards 1 ft every second? 3:56   What if you built a billion-story building? 4:30   What if NASCAR had no rules? 3:29   Could you survive a nanosecond on the Sun? 3:15   What if you threw a baseball at nearly light speed? 3:06   What would a magnitude 15 earthquake be like? 3:06   Could you make an umbrella out of lasers? 4:23   Would a Submarine Work as a Spaceship? 3:28   What if we aimed the Hubble Telescope at Earth? 4:35   What if you had a mole of moles? 2:58   What if you literally had all the money in the world? 3:00   Could you power a house with the radioactivity from bananas? 2:48   Can you power your computer by typing? 3:58   What if you swam in a nuclear storage pool?