Anonymous ID: 0577a5 March 28, 2019, 11:47 p.m. No.5958546   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun   >>8569

>>5958502

Had this ever been measured or experienced by a property equipped observer?

Invisible in all spectrums or just visible light?

I don't believe the output necessary is technologically possible from a space based platform. And if it's airliner or high altitude then it's not invisible.

Thermodynamics seems to suggest this would very problems at best