it's called dielectric mirror, this type of mirror can be made to be extremely effective over narrow range of wavelengths and it's used in lasers for this reason. this is also the only way to manipulate extreme UV (13nm tin source, used in EUV semiconductor manufacturing)
similar effect is responsible for blue color of some butterflies and feathers that don't contain blue pigment
lots of lucky stars, just not for them
i had no idea these things could do that
mine is clearly visible but there's also just a lot of trash so maybe that's why it was ignored. magnetic influence fuze maybe? normal sized AT mine would shred this thing immediately, so it's probably some AP mine? some unholy DIY contraption?
i think that's the plot of Tenet (2020)
round pizza makes logistics inefficient
this is closest to dogfight that can happen in Ukraine
that flag was irl dropped by a drone
there were rumors of nk soldiers being sent to russia soon, but no solid proof yet
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bald french man said once that factories, schools, barracks, hospitals are prisons so maybe self-host that instead?