Is ranch dressing a solid or a liquid? A physicist explains that the short answer is both … and neither. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

For more than a century, schoolbook physics has divided matter into neat categories like solid, liquid, gas, and plasma. A wave of recent experiments is now tearing at those boundaries, revealing ...

Scientists in Japan have isolated an important type of electron for further study. Dirac electrons develop in certain conditions where cone-shaped openings appear in solid matter. A new paper ...