Before Pilkingtons invented plate glass in the mid-19th century, flat panes could not be made. Old windows are uneven. Some once thought this was because glass is a liquid that flows down slowly ...

So what is glass, really — a solid or a liquid, or something in between? "It's neither a true liquid nor a true solid — it has properties of both, but it's its own distinct state of matter ...

The liquid-solid phase transition, Radin and Aristoff reason, should therefore be marked by the “shear response” of a material jumping from zero to a positive value.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new kind of matter can be both solid and liquid at once. In this chain-melted state ...

New kinds of liquid crystals resemble solid crystals, could improve computer and TV displays. Published:2/10/2021 2/10/2021 • By Daniel Strain. Solid monoclinic crystals like gypsum are made up of ...

The researchers distinguished between the flow speeds of solids and liquids by comparing their viscosities, or responses to a shear that varies with time. (Honey, for example, is a more viscous liquid ...