Everything We Know Is Wrong: Neutrinos do have mass, Standard Model of Physics is invalid. For now.

This article on a BBC News site (no this isn’t an April Fool’s joke) details new research that has established that neutrinos, a class of subatomic particles that emanate from stars and pass through all matter millions of times a second (here on Earth, at least), are not massless after all. How this will change our understanding of the universe is not yet clear. More articles here and here.

The key is, neutrinos have been proved to change their configuration, or “flavor” in physicist-speak, during their passage from emitter to detector. To do this, a neutrino must have mass.

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