A mirror since the laser is made out of light and mirrors refract light, check m8
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Its not refraction its reflection lol refracting is bending of light lol
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[quote]Its not refraction its reflection lol refracting is bending of light lol[/quote] Inb4 OP gives science lesson
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But you still get the point
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Lasers have kinetic energy, it would still destroy the mirror.