Just when scientists thought they knew everything about crystals, a Northwestern University and University of Wisconsin-Madison collaboration has uncovered a hidden secret. Centrosymmetric crystals ...

Correlations between quantum particles result in a rhythmic signal – without the need for an external beat to set the tempo. Nature has many rhythms: the seasons result from the Earth's movement ...

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Scintillators convert radiation energy into light and are utilized in a variety of fields including medicine and security. Of the many scintillators, Eu (europium)-doped CaF₂ (calcium fluoride) ...