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Publication quotidienne des dernières news technologiques et scientifiques, publication de dossiers et articles détaillés autour de thèmes généraux ou particuliers.
- 62articles · 30d
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News
???? Supernovas could produce neutrinos before their light peaks - News
6+ day, 9+ hour ago (326+ words) Sep 8, 2026, 04:00 AM FR · ES · DE · PT An exploding star could send highly energetic neutrinos toward Earth several days before reaching its maximum brightness. Before some supernovas, the dying star loses a great deal of matter. This gas remains around it…...
???? Invisible particles around black holes? - News
1+ week, 3+ hour ago (440+ words) FR · ES · DE · PT Future observations of black holes by LISA could reveal the existence of unknown particles much lighter than those detected in accelerators. The idea is based on a remarkable effect around rotating black holes. Certain hypothetical particles,…...
?????? Fermium: fermium-255 reveals a nonspherical nucleus - News
1+ week, 6+ day ago (301+ words) Sep 1, 2026, 11:00 AM FR · ES · DE · PT The nucleus of fermium-255 is not round. An experiment using lasers shows that it has a distinctly elongated shape, like a stretched balloon. Fermium is a radioactive element whose nucleus contains 100 protons. Its isotope…...
???? The "dark photon" becomes possible again - News
1+ week, 6+ day ago (143+ words) Sep 1, 2026, 04:00 AM FR · ES · DE · PT Some of the dark matter thought to have been ruled out by the thermal history of the Universe may actually still be possible. Anson Hook, Junwu Huang and Mohamad Shalaby reexamined this step using…...
?????? An elusive electrical property of the muon - News
2+ week, 8+ hour ago (367+ words) Aug 31, 2026, 04:00 AM Muon g-2 Collaboration / arXiv FR · ES · DE · PT A long-sought electrical property of the muon remains invisible, but physicists have narrowed even further the range where it could be hiding. The muon is a particle similar to the electron,…...
???? This microscope reveals how electrons are distributed around atoms - News
2+ week, 6+ day ago (439+ words) Aug 25, 2026, 11:00 AM FR · ES · DE · PT An electron microscope can now distinguish, at the scale of columns of atoms, how certain electrons are distributed around them. To understand this result, we need to forget the image of electrons orbiting the…...
?????? This particle observed in China could be a "glueball" of atomic nuclei - News
3+ week, 9+ hour ago (392+ words) Aug 24, 2026, 04:00 AM FR · ES · DE · PT A particle detected in a Chinese accelerator fifteen years ago could consist mainly of gluons, the particles that hold quarks together in protons and neutrons. The latest measurements from the BESIII experiment strengthen this…...
???? This crystal creates, all by itself, a microscopic network that looks like fabric - News
3+ week, 1+ day ago (396+ words) Aug 23, 2026, 04:00 AM Light: Science & Applications FR · ES · DE · PT A transparent crystal can create, all by itself, a surprising microscopic network inside its own material. It resembles a fabric whose threads cross by passing over one another. Even better, some…...
???? This crystal becomes superconducting when compressed - News
3+ week, 2+ day ago (407+ words) Aug 22, 2026, 07:00 AM FR · ES · DE · PT A crystal made of very thin layers changes profoundly when compressed. Under high pressure and near absolute zero, it becomes superconducting. Current can then flow through it with no measurable electrical resistance. This change…...
???? The rotation of galaxies retains a trace of conditions just after the Big Bang - News
3+ week, 2+ day ago (435+ words) Aug 22, 2026, 04:00 AM FR · ES · DE · PT The way some galaxies rotate today still seems to bear the mark of the conditions that prevailed shortly after the Big Bang. An international team detected this imprint in the orientation of the gas…...