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Hafele-Keating Experiment Celebrating Its 50th Anniversary
Wyoming Public Media
This year marks the 50th anniversary of the Hafele-Keating experiment, a test of Einstein's theory of general relativity.
40 months ago
Around-the-World Atomic Clocks: Predicted Relativistic Time Gains
Science | AAAS
During October 1971, four cesium beam atomic clocks were flown on regularly scheduled commercial jet flights around the world twice, once eastward and once...
38 months ago
Einstein was right. Flying clocks around the world in opposite directions proved it.
Big Think
Time isn't the same for everyone, even on Earth. Flying around the world gave Einstein the ultimate test. No one is immune from relativity.
30 months ago
The Moon Needs Its Own Time Zone. Relativity Says It Also Needs Its Own Clocks
EEJournal
First, the moon needs its own timekeeping system because it sits in a different spacetime gravity well.
3 months ago
Will we ever be able to freeze time?
BBC
Stasis is a way of pausing physical and chemical processes – including those of life. It could be a way for us to save the critically ill,...
76 months ago
Would you really age more slowly on a spaceship at close to light speed?
MIT Technology Review
Every week, the readers of our space newsletter, The Airlock, send in their questions for space reporter Neel V. Patel to answer.
60 months ago
Time travel into the future is already possible
Australian Broadcasting Corporation
The Hafele–Keating experiment showed that time slowed down with increased speed (Getty Images) Time travel happens all the time: we're...
99 months ago
Hafele–Keating experiment – Two atomic clocks flew twice around the world, eastward and westward. Back at home, they each showed different times
The Vintage News
The Hafele–Keating experiment was a test of the theory of relativity. In October 1971, Joseph C. Hafele, a physicist, and Richard E. Keating...
98 months ago