The units of density depend on the units used for mass and volume. The most commonly used units are grams per cubic centimetre (g/cm³) or kilograms per cubic metre (kg/m³). These balloons are the same ...

People who investigate scientific topics either love or hate glass, which is a confusing none-of-the-above unicorn: neither fully liquid nor fully solid, exhibiting some properties of each, but ...

Engineers have developed a new way to 3D-print liquid and solid materials together, potentially leading to more dynamic and useful products -- from robots to wearable electronic devices. Imagine a ...

Why can you stand on a glacier but not the ocean? The answer seems simple enough: Liquids flow. Solids don’t. The atoms in liquids can slosh around. In solids, they fall lockstep into a crystal ...