The Diamond Anvil...

The first diamond anvil cell at the NIST...  ...the NIST Museum, from The Diamond Anvil Pressure Cell [pdf] by Gasper J. Piermarini and Stanley...  ...ab device that scientists use to create pressures as great as those found at the center of the Eart...  ...ces known to man - to squeeze thing...

http://www.neatorama.com/2012/08/07/Diamond-Anvil/