04:35
What if you had a mole of moles?
03:41
What if the moon turned into a black hole?
03:37
What if you funneled Niagara Falls through a straw?
02:53
What if you used a flamethrower as a snowblower?
02:58
What if you literally had all the money in the world?
03:12
What if the sun suddenly went out?
06:47
What if the Earth rotated 90 degrees?
02:46
What if the wise men kept walking after Jesus’s birth?
03:56
What if you built a billion-story building?
02:53
What if we put a pool on the moon?
04:02
But what if we tried MORE power?
05:37
What if everyone pointed a laser at the moon?
05:16
What if Earth grew 1cm every second?
04:20
What if a glass of water were LITERALLY half empty?
03:29
Could you survive a nanosecond on the Sun?
04:28
What if we teleported the oceans to Mars?
02:57
What if you tried to print Wikipedia?
03:30
What if you drained the oceans?
05:04
If all humans died, when would the last light go out?
03:47
What if all the lightning on Earth struck the same place at once?
03:52
What if everyone jumped at once?
03:58
What if you swam in a nuclear storage pool?
04:23
Would a Submarine Work as a Spaceship?
03:06
Could you make an umbrella out of lasers?
03:15
What if you threw a baseball at nearly light speed?
04:35
What if Earth suddenly stopped spinning?
04:30
What if NASCAR had no rules?
03:06
What would a magnitude 15 earthquake be like?
03:28
What if we aimed the Hubble Telescope at Earth?
X
About
What If? The Video Series is the official adaptation of the 'What If?' books by Randall Munroe (xkcd.com) and is produced by Neptune Studios LLC
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