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8

Elastic Time

What happens when you place one clock at the top of the mountain, and place another on the beach? Each clock will eventually tell a different time. This is because time moves slower as you get closer to Earth.

… as Einstein posited in his theory of general relativity, the gravity of a large mass, like Earth, warps the space and time around it.
Scientists first observed this "time dilation" effect on the cosmic scale, such as when a star passes near a black hole. Then, in 2010, researchers observed the same effect on a much smaller scale, using two extremely precise atomic clocks, one placed 33 centimeters higher than the other. Again, time moved slower for the clock closer to Earth.

These findings imply that absolute time does not exist.

For each clock in the world, and for each of us, time passes slightly differently.

(Image Credit: obpia30/ Pixabay)


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