ChemistryMaterial made of carbon and nitrogen is nearly as hard as diamond Crushing carbon and nitrogen under immense pressure and heat creates the second-hardest known material after diamond 快猫短视频
PhysicsLK-99 superconductor mania swept the internet for a few weeks in 2023 The promise of a material that could revolutionise the way we use electricity captured imaginations on social media, which also helped researchers quickly determine that LK-99 wasn't what it seemed 快猫短视频