• Question: Do you think we will be able to create something that can travel at the speed of light?

    Asked by aka Agent Jellybean to Anna, Hayley, Iain, Rebecca, Sascha on 24 Jun 2015.
    • Photo: Iain Bethune

      Iain Bethune answered on 24 Jun 2015:


      No, according to General Relativity (thanks Einstein!) only massless objects can travel at the speed of light. Everything else, even particles with a tiny mass can only get very close to the speed of light.

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