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Q. What would happen if the Earth and all terrestrial objects suddenly stopped spinning, but the atmosphere retained its velocity?
544
8.15K reads
Q. What would happen if you tried to hit a baseball pitched at 90 percent the speed of light?
512
5.75K reads
Q. 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? How long could I stay safely at the surface?
499
4.58K reads
Q. What would happen if everyone on Earth stood as close to each other as they could and jumped, everyone landing on the ground at the same instant?
512
4.49K reads
Q. Is it possible to build a jetpack using downward-firing machine guns?
502
4.18K reads
Q. If you suddenly began rising steadily at 1 foot per second, how exactly would you die? Would you freeze or suffocate first? Or something else?
499
3.46K reads
Q. How much physical space does the Internet take up?
522
3.52K reads
Q. How dangerous is it, really, to be in a pool during a thunderstorm?
496
3.33K reads
Q. What would happen if lightning struck a bullet in midair?
497
3.01K reads
Q. How much computing power could we could achieve if the entire world population stopped whatever we are doing right now and started doing calculations?How would it compare to a modern-day computer or smartphone?
502
2.78K reads
Q. If an asteroid was very small but supermassive, could you really live on it like the Little Prince?
497
2.47K reads
Q. From what height would you need to drop a steak for it to be cooked when it hit the ground?
494
2.18K reads
Q. How hard would a puck have to be shot to be able to knock the goalie himself backward into the net?
492
1.94K reads
Q. This may be a bit gruesome, but . . . if someone’s DNA suddenly vanished, how long would that person last?
496
2.15K reads
Q. How much Force power can Yoda output?
499
1.66K reads
Q. What if I jumped out of an airplane with a couple of tanks of helium and one huge, un-inflated balloon? Then, while falling, I release the helium and fill the balloon. How long of a fall would I need in order for the balloon to slow me enough that I could land safely?
494
1.65K reads
Q. Is there enough energy to move the entire current human population off-planet?
497
1.7K reads
Q. I read about some researchers who were trying to produce sperm from bone marrow stem cells. If a woman were to have sperm cells made from her own stem cells and impregnate herself, what would be her relationship to her daughter?
497
1.67K reads
Q. How close would you have to be to a supernova to get a lethal dose of neutrino radiation?
492
1.44K reads
Q. How fast can you hit a speed bump while driving and live?
492
1.49K reads
Q. How quickly would the oceans drain if a circular portal 10 meters in radius leading into space were created at the bottom of Challenger Deep, the deepest spot in the ocean? How would the Earth change as the water was being drained?
493
1.45K reads
Q. If you call a random phone number and say “God bless you,” what are the chances that the person who answers just sneezed?
496
1.55K reads
Q. Assuming a zero-gravity environment with an atmosphere identical to Earth’s, how long would it take the friction of air to stop an arrow fired from a bow? Would it eventually come to a standstill and hover in midair?
491
1.35K reads
Q. When, if ever, will Facebook contain more profiles of dead people than of living ones?
493
1.43K reads
Q. I was absentmindedly stirring a cup of hot tea, when I got to thinking, “Aren’t I actually adding kinetic energy into this cup?” I know that stirring does help to cool down the tea, but what if I were to stir it faster? Would I be able to boil a cup of water by stirring?
491
1.31K reads
Q. What if a rainstorm dropped all of its water in a single giant drop?
496
1.31K reads
Q. What if everyone who took the SAT guessed on every multiple-choice question? How many perfect scores would there be?
491
1.29K reads
IDEAS CURATED BY
The more one seeks to rise into height and light, the more vigorously do ones roots struggle earthward, downward, into the dark, the deep — into evil.
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