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News
Known physics suggests the early universe should have produced matter and antimatter in equal amounts. Nearly all of it annihilated into radiation, but roughly one extra matter particle survived for every billion pairs—and why that tiny imbalance existed remains one of physics’ deepest unsolved problems.
4+ hour, 59+ min ago (906+ words) The measured net baryon-to-photon ratio is about 6.1 parts in ten billion. Physics can describe the required ingredients for that excess, but no confirmed mechanism made it....
A New Catalog of Close to 3,000 Supernova Challenges Theories on Dark Energy
5+ hour, 35+ min ago (88+ words) The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating expansion....
The Universe Has Been Taking Notes
1+ hour, 26+ min ago (67+ words) Unfortunately, most of them are about us. There is something deeply impressive about humanity. We can map distant galaxies, build machines that answer almost every …...
The Universe Changed Its Mind About Expansion
2+ hour, 50+ min ago (29+ words) For billions of years, expansion slowed. Then something changed. About six billion years ago, the Universe crossed a strange cosmic threshold. Nothing …...
Gravity and Phase (Hypothesis)
1+ day, 32+ min ago (13+ words) (A Speculative Concept). “Gravity and Phase (Hypothesis)” is published by Prasanth Retnakaran Saraswathy....
Beyond The Controversy: Can the Navier–Stokes Breakthrough Tell Us Whether Gravity Emerges From…
1+ day, 1+ hour ago (1246+ words) Beyond The Controversy: Can the Navier–Stokes Breakthrough Tell Us Whether Gravity Emerges From Something Deeper? A singularity in a theory we know is emergent may give us a new way to ask whether …...
No, Mirrors Do Not Reverse Right-to-Left
1+ day, 1+ hour ago (20+ words) The illusion of horizontal "reversal" in a mirror is not in the glass; it's in our own heads....
‘Odd couple’ black holes can find each other in space
2+ day, 3+ hour ago (477+ words) When two black holes find each other in the vastness of space, they can form a binary odd couple—and it’s more common than researchers expected. Scientists think most black holes are born when a star dies and its core…...