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
i think that's the plot of Tenet (2020)
round pizza makes logistics inefficient
there were reports of NK combat engineers to be deployed in russian rear areas, Perun mentions this in last video https://www.youtube.com/watch?v=FTXwmcIfY0Y
that flag was irl dropped by a drone
there were rumors of nk soldiers being sent to russia soon, but no solid proof yet
it's a few days old, probably not the most recent by now
might be relevant: i don't think these three were equals. first and third one are kitted out, but the second one (targeted) had no weapon, no backpack, and sneakers as shoes. russians consider some categories of soldiers as expendable, maybe he was from penal unit or something like that
The invention of campism and its consequences have been a disaster for sane leftist discourse (in western europe. somehow it's not a problem in countries like poland and baltics)
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bald french man said once that factories, schools, barracks, hospitals are prisons so maybe self-host that instead?