• Question: What is a thing that is completely impossible?

    Asked by sebadam to Mike, Pip, Tianfu, Tim, Tom on 3 Jul 2012.
    • Photo: Tim Stephens

      Tim Stephens answered on 3 Jul 2012:

      There are lots of things that we currently think of as impossible that might actually be possible. As far as my understanding of science is concerned, it’s impossible to travel faster than the speed of light.

    • Photo: Tom Lister

      Tom Lister answered on 3 Jul 2012:

      Umm, for me (or you) to know absolutely everything is impossible. This is shown in Pauli’s exclusion principle.

      Tachyons travel faster than light and there have been studies to show light travelling faster than ‘the speed of light’, although that’s actaully caused by the light spreading out as it travels.

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