Zenon Detectors - How Do They Work?

We're looking for the zimp, the zoo interacting massive particles all over the universe. How do you look for a force you don't even know it exists? There's actually three different way that we look for the wimp. They're called make it, shake it or break it. But to day we'r gong to talk about just one of them, because it's the one that's related to nutrinos and the nutrino floor. And that's the shake it.