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Discovery of quantum behavior in insulators suggests possible new particle Tom Garlinghouse for the Department of Physics Jan. 11, 2021 4:49 p.m. In a surprising discovery, Princeton physicists have observed an unexpected quantum behavior in an insulator made from a material called tungsten ditelluride. This phenomenon, known as quantum oscillation, is typically observed in metals rather than insulators, and its discovery offers new insights into our understanding of the quantum world. The findings also hint at the existence of an entirely new type of quantum particle. The discover...

Levine Cava tweeted November 30 th that her husband, Dr. Robert Cava, was exposed by one of his patients and also tested positive. Levine Cava said she was exposed over the Thanksgiving holiday and has not had any in-person contact with other county employees. “There is a light at the end of the tunnel, but for now we must all do our part to stop the spread,” Levine Cava said. She spoke to a contact tracer from the Health Department in Miami-Dade. “She was very thorough, making sure I identify anyone who might have been exposed and she'll be following up with those people anonymously,�...