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'Ghost Particle' That Smashed Into Earth Breaks Records

Slashdot.org - 4 hours 27 min ago

alternative_right shares a report from ScienceAlert: In February 2023, a detector called KM3NeT, located deep under the Mediterranean Sea, picked up a signal that seemed to indicate a neutrino with a record-shattering energy of 220 petaelectronvolts (PeV). For reference, the previous record was a mere 10 PeV. Now, an exhaustive analysis of all the data on and around the event, designated KM3-230213A, not only supports the conclusions that the signal was caused by a 220-PeV neutrino, but adds to the mystery about where the heck in the Universe it came from."The patterns of light detected for KM3-230213A show a clear match to what is expected from a relativistic particle crossing the detector, most likely a muon, ruling out the possibility of a glitch," the KM3NeT Collaboration told ScienceAlert. "Thanks to the reconstructed energy and direction of this muon, the most likely scenario by far is that the muon originated in the interaction of an astrophysical neutrino in proximity to the detector, making it the most natural explanation." The scientists believe that it's very, very unlikely that the neutrino originated within the Milky Way galaxy. Work is underway to come closer to tracing its origin point. "KM3-230213A opened a new window on ultra-high-energy neutrino astronomy," the Collaboration said. "Our analysis is the first effort to combine the observations of multiple telescopes over a wide energy range to characterize the ultra-high-energy spectrum. This represents our best chance to gain knowledge on the most extreme objects that populate our Universe." The research has been published in the journal Physical Review X.

African Union Urges Adoption of World Map Showing Continent's True Size

Slashdot.org - Thu, 08/14/2025 - 22:30

The African Union has endorsed the "Correct The Map" campaign, urging governments and global institutions to replace the distorted 16th-century Mercator projection with the Equal Earth map that more accurately represents Africa's true size. Reuters reports: "It might seem to be just a map, but in reality, it is not," AU Commission deputy chairperson Selma Malika Haddadi told Reuters, saying the Mercator fostered a false impression that Africa was "marginal," despite being the world's second-largest continent by area, with 54 nations and over a billion people. Such stereotypes influence media, education and policy, she said. Criticism of the Mercator map is not new, but the 'Correct The Map' campaign led by advocacy groups Africa No Filter and Speak Up Africa has revived the debate, urging organizations to adopt the 2018 Equal Earth projection, which tries to reflect countries' true sizes. "The current size of the map of Africa is wrong," Moky Makura, executive director of Africa No Filter, said. "It's the world's longest misinformation and disinformation campaign, and it just simply has to stop." Fara Ndiaye, co-founder of Speak Up Africa, said the Mercator affected Africans' identity and pride, especially children who might encounter it early in school. "We're actively working on promoting a curriculum where the Equal Earth projection will be the main standard across all (African) classrooms," Ndiaye said, adding she hoped it would also be the one used by global institutions, including Africa-based ones. [...] The Mercator projection is still widely used, including by schools and tech companies. Google Maps switched from Mercator on desktop to a 3D globe view in 2018, though users can still switch back to the Mercator if they prefer. On the mobile app, however, the Mercator projection remains the default. 'Correct The Map' wants organizations like the World Bank and the United Nations to adopt the Equal Earth map. A World Bank spokesperson said they already use the Winkel-Tripel or Equal Earth for static maps and are phasing out Mercator on web maps.

Street View has now come to Nepal.Street View has now come to Nepal.

GoogleBlog - Thu, 08/14/2025 - 22:30

You can now virtually explore the stunning landscapes and vibrant culture of Nepal in Street View. Wander the lively streets of Kathmandu, discover the serene beauty of …

Categories: Technology