An EUV lithography LEGO. It's less than one millionth the price or a real one.
www.tomshardware.com/tech-industr...

Milo insisted on reviewing his mineral collection first thing this morning.

Seriously? I had it open for like 10 seconds...

Yeah well just because you're used to it doesn't mean you understand it or that it isn't really weird and neat.

xkcd.com/2856/