#relativity
3 stories

Billionaires chasing immortality are wasting time, says physicist
Prof Jim Al-Khalili argues that pursuing endless life misses the point of time itself, which physics reveals to be far stranger than we think.
the Guardian · 1m

The atom that fell and the atom that didn't
Physicists finally split a single atom between free fall and perfect stillness, and watched what gravity did to its wave.
Ars Technica · 2m

Experiencing special relativity at a walking pace
Explore a virtual park where the speed of light is slowed down to a brisk five kilometers per hour.
Dmitrybrant · 1m