An elusive "demon" particle has been observed inside a superconductor nearly 70 years after it was first predicted. Its discovery could help resolve the mystery of how superconductors work. Pines' ...

A mysterious particle has been discovered inside a superconducting crystal, more than 60 years after it was first predicted. The particle, called Pines’s demon, could explain why some materials ...

Scientists have discovered what they're calling a 'wall demon' on Jupiter's icy ocean moon of Europa, one of the prime candidates for discovering life in our solar system. The unique star-shaped ...

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