One of the greatest mysteries in astrophysics these days is a tiny subatomic particle called a neutrino, so small that it passes through matter – the atmosphere, our bodies, the very Earth – without detection.

Physicists around the world have for decades been trying to detect neutrinos, which are constantly bombarding our planet and which are lighter than any other known subatomic particles. Scientists hope that by capturing neutrinos, they can study them and, hopefully, understand where they come from and what they do.

But existing attempts are often expensive, and miss an entire class of high-energy neutrinos from some of the furthest reaches of space.



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