• Question: how fast is the speed of light

    Asked by alibob123 to Reka, Ajay on 10 Nov 2016.
    • Photo: Reka Nagy

      Reka Nagy answered on 10 Nov 2016:

      Depends on what light is travelling through – the fewer particles it collides with, the faster it can travel. In vacuum, where there is nothing it can collide with, it travels at nearly 300,000,000 meters per second!

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