Massive chunks of quartz of many colours jut out of the badlands around the poisonous and brackish waters of the …

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In an attempt to understand our own fascination with the shiny minerals, researchers gave some to chimps.

A newly observed acoustic time crystal uses sound waves to levitate particles that oscillate through nonreciprocal interactions. The discovery challenges classical physics and hints at applications in technology and biology. Time crystals are systems made up of particles that repeat a steady back-and-forth motion, often described as “ticking.” They were first proposed theoretically and then [...]