Sunday, November 3, 2024

Do we live in a special place (in the universe)?

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Up close, the universe is very inhomogeneous.  There is the odd very-dense star or planet, but most of it is mostly empty space - vacuum.   ...
Tuesday, October 8, 2024

The most energetic neutrino

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  Although IceCube is still the largest neutrino telescope around, it is not the only game in town.   The KM3NeT ARCA telescope is now larg...
Monday, May 13, 2024

The rock from another world: ʻOumuamua

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   SETI - the search for extra-terrestrial intelligence and exobiology - the search for extra-terrestrial life are two of the most interest...
Thursday, January 25, 2024

Citizen Scientists - and neutrinos

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Citizen-scientists have a long history; amateur astronomers have made many important discoveries, and, although opinions are mixed  amateur ...
Wednesday, December 20, 2023

The mystery of the most energetic cosmic rays deepens

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 Recently, the Telescope Array (TA) Collaboration reported on the observation of a cosmic ray with enormous energy: 244 exa-electron volts (...
Monday, July 17, 2023

Neutrinos from our galaxy

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 IceCube has found a new source of neutrinos - our own Milky Way galaxy, with a significance of 4.5 sigma!   This observation was published ...
Wednesday, February 22, 2023

Scientists behaving badly? In Antarctica?

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 Over the past decade, sexual harassment (and other related bad behavior) has become a hot topic among scientists, and everyone - employers,...