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Research and Discoveries
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Twenty-two years of X-ray timing suggest the disk around pulsar 4U 1626−67 may have flipped from rotating backward to forward in 2008, turning years of spin-down into spin-up — though the evidence remains indirect.
6+ hour, 13+ min ago (1104+ words) A state-space analysis of 3,340 pulse-frequency measurements slightly favors a retrograde disk before 4U 1626−67's 2008 torque reversal, but a data gap and weak Bayesian odds keep the result indirect....
Scientists Rewrite the Atomic Structure of Glass While It Melts
18+ hour, 47+ min ago (159+ words) Researchers can now rewrite glass chemistry while it is still molten, unlocking properties that extreme heat once made impossible....
Inflationary Cosmology: Various Cosmologies, Various Possibilities | Episode 2｜frog001
2+ day, 15+ hour ago (59+ words) Various Cosmologies, Various Possibilities | Episode 2: Inflationary CosmologyThe "Standard Big Bang Theory" mentioned in Episode 1 determined that the universe was a fireball in the past. However, behind that success remained "two serious unnatural aspects" that could not be explained by the…...
XRISM Has Captured A Pulsar Doing Something Astronomers Had Never Seen Before
18+ hour, 10+ min ago (750+ words) NASA’s XRISM mission has revealed how a pulsar captures and processes stellar wind plasma near a neutron star. NASA’s XRISM X-ray observatory has provided the clearest view yet of plasma from a companion star’s wind falling toward a neutron star,…...
The Chinese Red String Theory: Are We Destined to Meet? ❤️
19+ hour, 12+ min ago (69+ words) Have you ever met someone and wondered, “Was I meant to meet this person?” Maybe you crossed paths unexpectedly, or someone entered …...
Secrets of the universe: Scientists in South Dakota may have found dark matter
1+ day, 4+ hour ago (710+ words) In the 1930s, astronomer Fritz Zwicky hypothesized the existence of dark matter, a theoretical substance that physicists believe accounts for 85 percent of all matter in the universe but has never been detected. Nearly a century later, scientists at the Sanford Underground…...
Applied Sciences, Vol. 16, Pages 9298: A Reduced-Order Equivalent-Dipole Model for DC Stray Magnetic Fields
1+ day, 7+ hour ago (393+ words) Accurate characterization of stray magnetic fields is essential in high-field devices, where external fields may affect diagnostics and personnel safety. Although finite-element models provide high-fidelity solutions, they may require extensive preprocessing and discretization of large source-free regions, making repeated evaluations…...
Methone, a moon of Saturn only about three kilometres across, has no observed craters larger than 130 metres: its porous icy surface may slowly shift and erase impact scars, while Saturn’s tides and the moon’s rotation mould it into a smooth, egg-like shape.
1+ day, 8+ hour ago (1076+ words) Cassini's only close look at tiny Methone found no crater larger than about 130 metres. Its smooth shape points to an extraordinarily porous moon whose surface cannot preserve relief easily....
The Control Group Started Producing the Signal
1+ day, 5+ hour ago (503+ words) Four LHC experiments found quark gluon plasma in the small systems that were supposed to be too small for it, and a 1,432 patient cardiology trial …...
Study Looks More Closely At Mars Underground Water Signals
1+ day, 22+ hour ago (198+ words) Historically, Mars has shown evidence of having liquid water in its past, with features such as river valleys, lake beds, and mineral deposits that typically form in the presence of water. However, the current state of water on Mars is…...