• Question: How does time slow down when you go faster or have more gravity?

    Asked by curtismurray to Stuart, Jo on 16 Jun 2010 in Categories: .
    • Photo: Joanna Buckley

      Joanna Buckley answered on 16 Jun 2010:

      Have you heard of the twin paradox, Curtis? Think about this… a twin makes a journey into space in a high-speed rocket and returns home to find he has aged less than his identical twin who stayed on Earth.

      I can’t even get my head around that! It literally makes my brain hurt.