A beam of light can cross the entire universe in no time at all
A photon can cross a billion light-years while accumulating no elapsed time along its path.Special relativity links space…
Breakthrough ion clock experiments reveal that time can go quantum
Time already behaves strangely in modern physics. It can stretch, slow, and split depending on speed and gravity.…
Light can travel for billions of years yet experience no time
A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time…