Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under very different disguises. For centuries we have treated gravity as the ...
An astronaut can hold a tool in space, loosen their fingers, and watch it stay put. Nothing drops. Nothing tugs downward. Yet ...
When astronaut Alexander Gerst squeezed a specially designed instrument aboard the International Space Station in 2018, his fingers did something his conscious mind had no reason to expect: they ...