• Question: Can you actually see the hidden lasers if you spray water on them (like they do in spy movies?). Thanks.

    Asked by shoetree3 to Mike, Pip, Tianfu, Tim, Tom on 28 Jun 2012.
    • Photo: Tom Lister

      Tom Lister answered on 28 Jun 2012:


      You can with visible light lasers, although I imagine the spy ones are infra-red lasers and so wouldn’t be visible.

    • Photo: Tim Stephens

      Tim Stephens answered on 28 Jun 2012:


      You can. The droplets of water scatter the laser beam so some of it shines towards your eye.

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