Not sure why there don't seem to be any practical uses of it (at least I have not seen any such displays anywhere in my life or for sale anywhere.) Maybe because the brightness of the lasers is a public danger. Seems like otherwise we would have laser video projected onto the sky by now for advertising.
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[ 2.8 ms ] story [ 25.5 ms ] threadhttps://www.thisiscolossal.com/2014/11/an-aerial-laser-displ...
Not sure why there don't seem to be any practical uses of it (at least I have not seen any such displays anywhere in my life or for sale anywhere.) Maybe because the brightness of the lasers is a public danger. Seems like otherwise we would have laser video projected onto the sky by now for advertising.