mannycalavera to United KingdomEnglish · 11 months agoDragonFire: UK fires high-power laser at aerial targets for first time - with 'intense beam of light' able to cut through dronesnews.sky.comexternal-linkmessage-square47fedilinkarrow-up1144arrow-down17file-text
arrow-up1137arrow-down1external-linkDragonFire: UK fires high-power laser at aerial targets for first time - with 'intense beam of light' able to cut through dronesnews.sky.commannycalavera to United KingdomEnglish · 11 months agomessage-square47fedilinkfile-text
minus-squarePaddzr@lemmy.worldlinkfedilinkEnglisharrow-up2·11 months agoBut is this the same type of light? We’re talking about pure heat damage, how do mirrors reflect heat?
minus-squareShadow@lemmy.calinkfedilinkEnglisharrow-up3·edit-211 months agoLasers don’t send heat. Lasers send light energy that is absorbed by the surface and radiates it as heat. If a mirror was 100% effective it would work, but the tiny bit that hits the backing of the mirror will melt it and then it’ll cascade.
But is this the same type of light? We’re talking about pure heat damage, how do mirrors reflect heat?
Lasers don’t send heat. Lasers send light energy that is absorbed by the surface and radiates it as heat.
If a mirror was 100% effective it would work, but the tiny bit that hits the backing of the mirror will melt it and then it’ll cascade.