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Why does time change when traveling close to the speed of light? A physicist explains

By Michael Lam, Assistant Professor of Physics and Astronomy, Rochester Institute of Technology

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

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. A tree in the distance…

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