Researchers have detected mysterious radio signals under Antarctica's ice using the Antarctic Impulsive Transient Antenna (ANITA). These signals emerged at steep angles, defying current particle physics understanding. The findings suggest potential new particle interactions or dark matter involvement. Dr. Stephanie Wissel from The Pennsylvania State University emphasizes the lack of an explanation for these anomalies, which complicates neutrino detection, as neutrinos are known for their weak interactions. The research highlights the complexity of studying cosmic particles and the potential implications for understanding the universe's fundamental workings.
The radio waves that we detected were at really steep angles, like 30 degrees below the surface of the ice. It's an interesting problem because we still don't actually have an explanation for what those anomalies are.
You have a billion neutrinos passing through your thumbnail at any moment, but neutrinos don't really interact. If we detect them, it means they have travelled all this way without interacting with anything else.
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