Vedi .
(Music) Somewhere out there in that vast universe there must surely be countless other planets teeming with life, but why don't we see any evidence of it? Well, this is the famous question...
In order for us to see something, it either needs to emit light directly (like the sun or a lightbulb filament or firefly) or else have photons of light bounce off of it and into our eyes. But how do...
So you guys can see my cat is in the background there obviously the heat of my cat is more prominent over the surrounding area How the camera works is, obviously it's going to pick up the...
