AI-driven framework uncovers new carbon structures—one thought to be harder than diamond

March 28, 2026 feature AI-driven framework uncovers new carbon structures—one thought to be harder than diamond by Sam Jarman , Phys. org Sam Jarman contributing writer Meet our staff & contributors Learn about our editorial standards edited by Sadie Harley , reviewed by Robert Egan Sadie Harley scientific editor Meet our editorial team Behind our editorial process Robert Egan associate editor Meet.