Scientists develop laser that can mark the air
independent.co.uk
Scientists develop laser that can mark the air
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Re: Scientists develop laser that can mark the air
#2"In order to turn the air into light, the energy density required is roughly a trillion watts per square centimeter."
Re: Scientists develop laser that can mark the air
#3"In order to turn the air into light, the energy density required is roughly a trillion watts per square centimeter."
I suddenly need to know how many Bitcoin networks' worth of rainforests this kills each time it displays an advertisement
Re: Scientists develop laser that can mark the air
#4Something like this has been done before:
https://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.