Diamond is more than a dazzling gem—the extremely hard form of carbon makes up the pellet that encases fuel for inertial confinement fusion, and scientists believe it rains down deep inside ice giant planets like Neptune and Uranus. In both cases, the material experiences enormous pressures. Un...
Source: [Phys.org](https://phys.org/news/2026-08-diamond-triple-fusion-gain-secrets.html)