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Why does time change when traveling close to the speed of light? – Timothy, age 11, Shoreview, Minnesota Imagine you’re in a car driving across the country watching the landscape.
The mind-bending concept of time dilation results from a seemingly harmless assumption—that the speed of light is the same for all observers.
Time can seem to slow down in near-death situations, and speed up as we age. Exactly how does our brain process time?
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