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Is Gravity Just Entropy Rising? Long-Shot Idea Gets Another Look.
...space-time continuum itself, as emergent from deeper, more microscopic physics. Carney’s line of thinking, known as entropic gravity, pegs that deeper physics as essentially just the physics of heat. It...
The Physicist Decoding the Nonbinary Nature of the Subatomic World
...many of their peers. Many discoveries in physics flow from theory to experiment. Albert Einstein theorized that mass bends the fabric of space-time, and then Arthur Eddington observed the effects...
Quantum Machine Appears to Defy Universe’s Push for Disorder
...Lukin said they observed. The system seems to be imbued with some special physics that allows it to retrace its path, Papić said. “It leaves bread crumbs and goes back...
Beyond the Second Law
...law of thermodynamics has reigned over physics, chemistry, engineering and biology. Now, an upgrade is underway. Thermodynamics — the study of energy — originated during the 1800s, as steam engines...
Tadashi Tokieda’s Special Kind of Magic
...the world in a toy. Tadashi sees in toys, — just like children’s toys, little playthings — the whole universe that’s in there, the principles of physics. He is a...
Toward a Grand Unified Theory of Snowflakes
Snow crystals come in two main types. The “pope” of snowflake physics has a new theory that explains why. Kenneth Libbrecht is that rare person who, in the middle of...
Physicists Nail Down the ‘Magic Number’ That Shapes the Universe
...no understanding,” as Richard Feynman described it. Paul Dirac considered the origin of the number “the most fundamental unsolved problem of physics.” Numerically, the fine-structure constant, denoted by the Greek...
AI Starts to Sift Through String Theory’s Near-Endless Possibilities
...macroworld of particles would emerge. “Does string theory make unique predictions? Is it really physics? The jury is just still out,” said Lara Anderson, a physicist at Virginia Tech who...
Physicists Create a Holographic Wormhole Using a Quantum Computer
...the holographic principle, a sweeping hypothesis about how the two pillars of fundamental physics, quantum mechanics and general relativity, fit together. Physicists have strived since the 1930s to reconcile these...