[gaijin]

They had something like this about 10 years ago.

It’s probably an incremental improvement on that.

[txnativegop]

and infrared will defeat it. Possibly also UV spectrum will as well. You know, just because You Can Do Something, it doesn't Mean You Should

People have forgotten that simple principle. It is a crying shame, too.

[infool7]

They had something like this about 10 years ago.

I heard they put it down somewhere and are still looking for it.

[Rashputin]

I'm with you, I don't think this is new.

Thermal and thermal plus light amplification goggles both still pick up what's not visible to the naked eye, at least that's what I read about this or something very much like it a few years ago.