atom

The splintered fluorine atoms, the researchers report, are safely sequestered by reacting them with potassium hydride in solution to form potassium fluoride, a nontoxic ingredient in toothpaste.

When two fusion fuel atoms have the same quantum spin, they are more likely to fuse.

Democritus believed that light refracting through atoms caused the phenomenon that we perceive and describe conventionally, or by mutual agreement, as color.

Their components function like atoms in conventional materials but have special optical, electrical and magnetic properties.

These are solids formed from large molecules with a significant number of atoms, often including elements like carbon, nitrogen or oxygen, arranged in a ring.