In spaces smaller than a wavelength of light, electric currents jump from point to point and magnetic fields corkscrew through atomic lattices in ways that defy intuition. Scientists have only ever ...

This field is a site carved by volcanic eruptions, whose remnants now hide in the soil in the form of little diamonds.

The fog test is one of the quickest ways to check for a fake diamond. Just breathe on the stone as if you’re fogging up a mirror. A real diamond will clear almost instantly because diamonds are ...