Science & space ยท Logon Newshttps://logonnews.com/en/section/ciencia-espacio/All the science & space coverage from Logon News, with context and rigour.enAlice & Bob: RSA-2048 could fall to 23,000 cat qubits, on paperhttps://logonnews.com/en/2026/11/03/alice-bob-rsa-2048-cat-qubits-estimate/https://logonnews.com/en/2026/11/03/alice-bob-rsa-2048-cat-qubits-estimate/Tue, 03 Nov 2026 09:50:00 GMTA French start-up's preprint cuts the estimated size of a code-breaking quantum computer. The machine it describes does not exist yet.CybersecurityHubble finds dwarf galaxies hold far less oxygen than models predicthttps://logonnews.com/en/2026/11/02/hubble-missing-oxygen-dwarf-galaxies-supernova-winds/https://logonnews.com/en/2026/11/02/hubble-missing-oxygen-dwarf-galaxies-supernova-winds/Mon, 02 Nov 2026 19:20:00 GMTA study of 37 nearby galaxies points to supernova winds as the likely cause, which is the authors' inference. They do not yet know where the missing oxygen went.Science & spaceGreek CubeSat ERMIS-3 makes laser link to a ground station, ESA sayshttps://logonnews.com/en/2026/11/02/greek-cubesat-ermis-3-laser-link-ground/https://logonnews.com/en/2026/11/02/greek-cubesat-ermis-3-laser-link-ground/Mon, 02 Nov 2026 19:15:00 GMTThe agency says the satellite pointed at and tracked a laser beam from a Greek university's station. Its note gives no distance, data rate or test date.Science & spaceGoogle says its Suncatcher satellite has run an AI model in orbithttps://logonnews.com/en/2026/11/02/google-suncatcher-first-ai-response-orbit/https://logonnews.com/en/2026/11/02/google-suncatcher-first-ai-response-orbit/Mon, 02 Nov 2026 17:40:00 GMTThe prototype is working in space, according to Google. The heat and radiation tests come next and have no published results yet.Artificial intelligence