PhysicsHow the most precise clock ever could change our view of the cosmos Forget atomic clocks. Nuclear clocks, which only drop a second every 300 billion years, can test whether nature's fundamental constants are constant after all Features
PhysicsThis antimatter version of an atomic nucleus is the heaviest yet Smashing gold nuclei together at high speeds billions of times has resulted in 16 particles of antihyperhydrogen-4, a very exotic and heavy form of antimatter ¿ìè¶ÌÊÓÆµ