Science Daily Geology
Famously, neutrinos, the nearly massless particles that are a fundamental component of the universe, can zip through a million miles of lead without skipping a beat. Now, in a critical measurement that may one day help predict new physics beyond the Standard Model of particle physics -- the model that seeks to explain the fundamental forces of the universe -- an international team of researchers with the IceCube Neutrino Observatory has shown how energized neutrinos can be stopped cold as they pass through the Earth.
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