Global warming is melting Earth’s glaciers, which is moving vast amounts of water—maybe enough to affect…
Author: Rhett Allain
How Many Peanut Butter Sandwiches Does It Take to Fuel a Hulk?
It takes a lot of energy to jump over cliffs and hurl rocks at the speed…
What an iPhone Lidar Can Show About the Speed of Light
Lidar measures distance by bouncing light off of objects—but there’s more to how light travels in…
How to Simulate Walking on the Moon—Without Leaving the Planet
It’s impossible to reduce gravity, but you can find some clever ways around it.
How Much Power Does Batman Need for His Ascender Gun?
The Dark Knight has some pretty neat gear—but his gadget-enabled stunts require some juice.
Why Can’t a Magnet-Propelled Truck Actually Work?
The internet thinks it has discovered the secret to fuel-free perpetual motion. Physics knows better.
What Is the Ideal Gas Law?
Without it, it would be impossible to inflate a balloon or a tire. But understanding how…
Just How Hard Is Thor’s Battle Chain Workout?
In his upcoming movie, the Norse *** of thunder has to get back into shape—but does…
How to Make a Microphone … From a Face Mask
The results won’t be high fidelity, but you can definitely turn sound into electric signals using…
How Realistic Is the Celestial Navigation in Moon Knight?
You can definitely use the stars as your guide. But let’s check whether a scene from…