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A Child’s Puzzle Has Helped Unlock the Secrets of Magnetism
People have known about magnets since ancient times, but the physics of ferromagnetism remains a mystery. Now a familiar puzzle is getting physicists closer to the answer. For a few...
How Space and Time Could Be a Quantum Error-Correcting Code
...conjectured in the Journal of High Energy Physics that space-time itself is a code — in anti-de Sitter (AdS) universes, at least. The paper has triggered a wave of activity...
The Year in Physics
The field of fundamental physics is experiencing both a period of confusion and an openness to new ideas. A decade ago, it was practically gospel truth among physicists that the...
New Studies Rescue Gravitational-Wave Signal From the Noise
...whose paper appeared on the physics preprint site arxiv.org in November and is under review by the Journal of Cosmology and Astroparticle Physics. “We are in the process of writing...
Why Black Hole Interiors Grow (Almost) Forever
...big physics ideas spanning the past half-century, has proposed a solution to an important puzzle about black holes. The problem is that even though these mysterious, invisible spheres appear to...
On the Best Use of Science to Safeguard Humanity
...of mathematical physics, whereas I stayed with phenomenology physics. My work had more links to observation. Can you tell us more about why the 1960s were such a remarkable moment...
New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong
...the foundations of quantum physics. The experiment is decidedly strange. For example, it requires making measurements that can erase any memory of an event that was just observed. While this...
A Collector of Math and Physics Surprises
...I was a postdoc, I was teaching myself physics and becoming a physicist, and some of it was tangible, especially since I’m often interested in macroscopic phenomena. So I decided...
Quanta Writers and Editors Discuss Trends in Science and Math
...physics. Geometry and topology and physics have been kind of intertwined for several decades, but number theory and physics are really starting to communicate a lot more. This article in...