Einstein's Relativity Is Making Tall People Age Faster Than Short

Friday, September 24, 2010 - 13:28 in Physics & Chemistry

Scientists know that time passes faster at higher elevations.  It's a curious aspect of Einstein's theories of relativity that previously had to be measured by comparing clocks on the Earth's surface and rockets. But NIST physicists have made it a lot more personal - a scale of about 1 foot - and showed that you even age faster if you are taller than your relative.   The good news is you won't be able to see the difference, that one foot difference in height adds about 90 billionths of a second over a 79-year lifetime. The NIST researchers also observed another aspect of relativity, that time passes more slowly when you move faster, at speeds comparable to a car traveling about 20 miles per hour. read more

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