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how-scientists-can-slow-down-time

The faster you are moving, the slower time moves! Trace is here to discuss time dilation, and how it’s so monumental that scientists were able to measure it in a lab!

The faster you move the slower time goes, but… how slow? And how fast? What does it

Howdy nerds and friends, thanks for checking out DNews today, I'm Trace. There are things

about theoretical and mathematically-proven physics that are difficult to see in practice,

but of those things… there is one that is no longer simply theoretical, we can actually

DO it. Einstein's Theory of Special Relativity states that the faster something travels,

the slower time appears to move relative to a stationary observer.

To test the time dilation part of the TSR massive experiments had to be conducted. In

1971, the Hafele (ha-fi-la) and Keating Experiment flew four atomic clocks on airplanes going

around the world and compared the time-shift from those clocks to the atomic clock at the

National Observatory in Washington, D.C., and JUST like Einstein predicted the airborne

Think about it. When you're on an airplane, you're aging slower than your Mom. Unless

of course, she's on the airplane too…. as long as we're thinking about it, time dilation

theory says airline pilots might be aging slower than their ground crews… think about

it. Not a lot slower, mind you, but slower.

Once we started going to space, time dilation became a thing we actually had to deal with.

GPS satellites, for example, are 20,000 km up going 14,000 km/hour. So, relative to an

observer on the ground, the GPS satellites are going to lose about 7 microseconds per

day! It doesn't seem like a lot, but knowing PRECISELY what time it is, is extremely important

for measuring your exact location on the planet. If they let this go unchecked GPS would fail,

so they have to correct for Special Relativity, just so I can find the nearest Shake Shack.

Usually, before now, scientists used mathematics or space travel to test these out-there theories.

Special relativity says, the faster you go, the slower time goes. If you travelled a year

at 95% the speed of light; you'd age one year, and people on Earth would age 3.2 years! But

if you were going 50% the speed of light it would only be 1.15 years. The effect get's

A German study published this week has shown you can create the time dilation effect IN

THE LAB! Which is HUGE news for physics. The experiment, published in Physical Review Letters,

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How Scientists Can Slow Down Time

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