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Sphere Packing Solved in Higher Dimensions
...areas of physics such as string theory. They form “a nexus where lots of different areas of mathematics come together,” Cohn said. “Something wonderful is happening, and I’d like to...
Mapping the Brain to Build Better Machines
...a different possibility. Cox’s team views the brain as a sort of physics engine, with existing physics models that it uses to simulate what the world should look like. Tai...
Scientists Seek to Update Evolution
...and of business as usual. After Galileo and Newton dragged physics out of its ancient errors in the 1600s, it rolled forward from one modest advance to the next until...
Physicists Attack Math’s $1,000,000 Question
...numbers.” As mathematicians have attacked the hypothesis from every angle, the problem has also migrated to physics. Since the 1940s, intriguing hints have arisen of a connection between the zeros...
Evidence of a ‘Fifth Force’ Faces Scrutiny
...particle physicist at the University of California, Irvine, and colleagues. After spending months translating the nuclear physics finding into the language of particle physics and ensuring that no particle physics...
Does Time Really Flow? New Clues Come From a Century-Old Approach to Math.
The laws of physics imply that the passage of time is an illusion. To avoid this conclusion, we might have to rethink the reality of infinitely precise numbers. Strangely, although...
The Quantum Secret to Superconductivity
...Philip Anderson, a Nobel Prize winner and one of the founders of condensed-matter physics, advanced in the 1980s. Sachdev posits a kind of order in cuprates that isn’t seen in...
A Physicist’s Physicist Ponders the Nature of Reality
Edward Witten reflects on the meaning of dualities in physics and math, emergent space-time, and the pursuit of a complete description of nature. Among the brilliant theorists cloistered in the...
What Is Quantum Field Theory and Why Is It Incomplete?
...and then simulating. And yet there’s a fundamental obstacle seemingly to discretizing the laws of physics as we know it. So we can’t simulate the laws of physics, but it...