A matter of solidity

A material that oozes through itself presents a super physics puzzle

By Alexandra Witze, 07:42 AM August 26, 2010

Solids are supposed to be the reliable state of matter.

Gases are flighty and flitting and expand to fill any available space. Liquids will also mold themselves to whatever shape they occupy, from soda bottle to swimming pool. Solids, though, are steadfast and unyielding, stable and dependable, like the rise and fall of tides, the guidance of the North Star or the love of a dog.

But that truism may turn out not to be so true. In the past few years, physicists have learned of a solid that d...

Source URL: https://www.sciencenews.org/article/matter-solidity