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Sep 21, 2020 at 5:19 comment added Pasqueflower I don't think you're right about wanting white armor. Dieletric materials have a much lower specular reflectivity than metallic materials, regardless of color. What you really want is a very rough (low smoothness metal). This is from a game engine, but the principles are sound: i.imgur.com/GG77z4f.png
Feb 14, 2020 at 2:52 comment added user71781 So that’s why stormtroopers are covered in white armor
Nov 3, 2017 at 22:09 comment added Anoplexian Could you not refract the beam to remove any sort of damage it would cause? Things like smoke, fog, steam, and existing light would work to refract any light being focused into a single point; although with a high enough powered laser you could burn or melt through, wouldn't wearing armor that emits light be a better way of removing laser deadliness?
Sep 5, 2016 at 18:24 history edited Mołot CC BY-SA 3.0
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Sep 5, 2016 at 6:35 comment added Mołot Speed of light in air is so close to speed in vacuum that difference can be ignored for all practical purposes. And if you can track enemy's muzzles in a crowded battlefield, it's a whole another story. For speed of burning, of course your enemy will do his best to burn you faster. Arms race. But it's easier to increase raw power than to increase computer speed. For ships, this might work. For "bullet proof vest" analog? I can't believe it.
Sep 5, 2016 at 0:36 vote accept user6760
Sep 4, 2016 at 17:59 comment added Salmoncrusher @Molot, not necessarily. For starters, the speed of light is slower through a medium than through a vacuum. Secondly, a laser doesn't aim at the speed of light. The computer can watch the laser as it aims, and adjust then. Thirdly, it doesn't have to be at the speed of light. The laser won't instantly burn the target, it heats it up over time. You'll have some fraction of a second to reflect the beam before you're incinerated.
Sep 4, 2016 at 17:48 comment added Mołot @Sal no. Laser travels at the speed of light, so when you know it's coming, you are already hit and all adjustments would be too late.
Sep 4, 2016 at 15:57 comment added Salmoncrusher But reflection as a beam, if used intelligently(say by a computer-controlled swivelling mirror) becomes a powerful offensive weapon, no?
Sep 4, 2016 at 15:56 comment added Sanchises Hmm.. related?
Sep 4, 2016 at 6:52 history answered Mołot CC BY-SA 3.0