"We discovered that the material didn't just compress—it actually changed its internal structure in a big way ... more than the stiff ones." Using a diamond anvil cell—a device that can ...

Department of Physics, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy Institute for Photonics and Nanotechnologies (CNR-IFN), Piazza Leonardo da Vinci, 32, 20133 Milano, ...