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First Detection of Intergalactic High Energy Neutrinos Linked to a Blazar

By Amal Pushp, Affiliate Physicist at the Resonance Science Foundation

Among all the various particles that exist in nature, neutrinos are one of the most peculiar of all. Neutrinos are elementary particles that are essentially produced during radioactive decay and are named so because they do not carry any charge and hence are electrically neutral. It would be quite surprising to the reader that neutrinos are ever-present and are fluctuating around us all the time. They also penetrate the earth with little to no interaction.

Neutrinos essentially travel at the speed of light and are not deflected in presence of magnetic fields. All these properties make the detection of neutrinos a cumbersome process. In view of the fact that neutrino interactions are usually quite low, scientists have built a neutrino observatory at the South pole, called the IceCube Neutrino Observatory which consists of pure and stable ice having a thickness of a cubic kilometer, which substantially acts as the...

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