r/worldnews - A Japanese team of researchers has shown that time at Tokyo Skytree’s observatory — around 450 meters above sea level — passes four nanoseconds faster per day than at near ground level. The finding...proves Albert Einstein’s general theory of relativity.

Why the ...? Scott Kelly is 13 milliseconds younger than his twin brother after spending a year on the Space station.

from Pocket https://ift.tt/3bo1nlB