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Neutrino experiments sow seeds of possible revolution

Nearly massless particles could turn physics on its ear

Neutrinos are the big nothings of subatomic physics. Nearly massless and lacking an electric charge, these ghostly particles interact so weakly with other types of matter that more than 50 trillion of them pass unimpeded through a person’s body each second.

Yet recent preliminary findings from two experiments hint that neutrinos may be opening a window on a hidden world of subatomic particles and forces.

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