xkcd's What If?
422K subscribers
3:47
What if all the lightning on Earth struck the same place at once?
xkcd's What If?
639K views • 10 days ago
3:52
What if everyone jumped at once?
xkcd's What If?
739K views • 1 month ago
3:58
What if you swam in a nuclear storage pool?
xkcd's What If?
937K views • 1 month ago
4:23
Would a Submarine Work as a Spaceship?
xkcd's What If?
1.9M views • 2 months ago
3:06
Could you make an umbrella out of lasers?
xkcd's What If?
853K views • 2 months ago
3:15
What if you threw a baseball at nearly light speed?
xkcd's What If?
1.2M views • 3 months ago
4:35
What if Earth suddenly stopped spinning?
xkcd's What If?
1M views • 4 months ago
4:30
What if NASCAR had no rules?
xkcd's What If?
1.3M views • 4 months ago
3:06
What would a magnitude 15 earthquake be like?
xkcd's What If?
2.4M views • 5 months ago
3:28
What if we aimed the Hubble Telescope at Earth?
xkcd's What If?
1.5M views • 5 months ago
End of Videos