People that know about quantum mechanics tend to talk about it very breezily, leaving us mortals behind. Be left behind no longer though with this wonderful little video.
Taking a cue from Schrödinger's famous cat thought experiment, Josh Samani walks us through the basics of quantum mechanics and entanglement. It's still not easy — you're going to have to pay attention — but it does do a very nice job of explaining some damned difficult concepts. [TED Ed]