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4,625 results
How quickly would the oceans drain if a circular portal 20 meters in diameter appeared at the bottom of Challenger Deep, the ...
1,017,677 views
9 days ago
If every human somehow simply disappeared from the face of the earth, how long would it be before the last artificial light source ...
2,908,170 views
4 weeks ago
What if I took a swim in a typical spent nuclear fuel pool? Would I need to dive to actually experience a fatal amount of radiation?
1,144,742 views
2 months ago
What would happen if everyone on earth stood as close to each other as they could, jumped, and landed on the ground all at the ...
966,698 views
What would happen if you tried to hit a baseball pitched at 90% the speed of light? Randall Munroe is the author of the New York ...
1,402,371 views
4 months ago
Henry Reich is the creator of MinutePhysics and executive producer of MinuteEarth and MinuteFood and founder of Neptune ...
2,215,824 views
3 months ago
If all the lightning that occurs worldwide on any given day all struck the same place at once, what would happen to that place?
1,064,085 views
1 month ago
Since we usually hear about earthquakes with ratings somewhere between 3 and 9, a lot of people probably think of 10 as the top ...
2,685,458 views
6 months ago
Stopping rain from falling on something with an umbrella is boring. What if you tried to stop rain with a laser that targeted and ...
980,210 views
What would happen if the Earth and all terrestrial objects suddenly stopped spinning, but the atmosphere retained its velocity?
1,226,410 views
5 months ago
If you pointed the Hubble telescope at the Earth, what could you see? Could you read over your neighbor's shoulder? Or would it ...
1,741,778 views
What if you ignored all the rules of car racing and had a contest which was simply to get a human being around a track 200 times ...
1,489,401 views
Original Video @xkcd_whatif https://youtu.be/p2M8Y0z9Rl0?si=gZi-MejFdZ3pBgGl.
15,171 views
3 weeks ago
In case you were wondering, I was referring to Stephen Strasburg for the Washington Nationals.
37,021 views
Original Video @xkcd_whatif https://youtu.be/Jpy55EgMQgY?si=7AuxjfscR7XM6NDN.
16,616 views
8 days ago
Original Video @xkcd_whatif https://youtu.be/8fADp43wJwU?si=f9zO4kv3QFlEPF23.
27,060 views
XKCD comic strips, but taken without the full context. Background music: https://www.youtube.com/watch?v=haWFRI9o6UY Comic ...
3,551 views
10 months ago
Original Video @xkcd_whatif https://youtu.be/JcXpCyPc2Xw?si=YS4YxDpRc9Z-hVwD.
13,369 views
13 days ago
Original Video @xkcd_whatif https://youtu.be/fs28lEq9smw?si=RZM_HfmvGiEC3-kV Styropyro pulse laser: ...
20,393 views
Original Video @xkcd_whatif https://youtu.be/zgBTwtg7H8E?si=bR7Agbegm8K6aY6z.
14,600 views
2 weeks ago