Dark Matter

We're trying to find dark matter, daniel. And it's invisible, and it doesn't want us to see it er or touch it or bump into it. But it might have a weakness, which is a totally new kind of force. And so we are hoping that it will reveal itself in this very quiet tank of liquid zenon deep undergroud thre's actually several of them. There's one underground in canada, there'sone underground in ina, and this one underground in italy. These are all competing tanks of liquid zanon. It's interesting to think there are three places in the world where there's a block of zenon just