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Q&A Using light as a barrier to block people without grilling them

We know that light exerts pressure upon matter. I'm imagining a hallway where an intense light source on one end shines towards the other end. The goal is to have the beam of light exert so much p...

5 answers  ·  posted 6y ago by user60406‭  ·  last activity 6y ago by user60406‭

Question reality-check radiation light