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Physics and mathematics
Physics and mathematics news and explainers. From quantum mechanics and particle physics to unsolved math problems and new discoveries.
Ten Physics Problems That Keep Sabine Hossenfelder Awake
Sabine Hossenfelder ranks her ten favourite unsolved physics paradoxes, from Boltzmann Brains to the transporter problem, revealing where mathematics stops making contact with...
Markov Chains: How a Russian Math Feud Changed Computing
A 1913 grudge match between two Russian mathematicians produced Markov chains, now powering Google, nuclear simulations, and AI.
Light Fluid Mimics Black Hole's Event Horizon
Physicists create a quantum fluid of light that mimics black hole physics. The technique could finally test Hawking's 50-year-old radiation prediction.
The Planck Length Marks Where Physics Runs Out of Answers
The Planck length marks the smallest distance physics can describe. Brian Cox explains why observation itself breaks down at 10⁻³⁵ metres.
New Types of Infinity Challenge Mathematical Order
Exacting and ultraexacting cardinals disrupt the hierarchy of infinities and challenge whether mathematics is fundamentally orderly or chaotic.
Black Hole Information Paradox: Could Spacetime Remember?
Physicist Florian Neukart proposes spacetime stores quantum information at the Planck scale, offering a new approach to the black hole information paradox.
ANITA Anomaly: The Antarctic Signal Nobody Can Explain
ANITA detected radio signals from Antarctica that shouldn't exist. A new study confirms they remain unexplained, and PUEO may finally find the answer.
Gravity might be a push, not a pull
Could gravity be a push rather than a pull? New physics models suggest disorder itself creates attraction.
The Color That Doesn't Exist
Purple isn't real. It's a brain illusion created when red and blue receptors fire simultaneously.
The Planck Scale Problem: 17 Missing Layers of Reality
Between elementary particles and the Planck scale sits a 17-order gap with no known structure. Matt O'Dowd explores why this threatens physics.
