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Where Do Space, Time and Gravity Come From?
...successful conceptual breakthroughs of modern physics, but Einstein’s description of gravity as a curvature in space-time doesn’t easily mesh with a universe made up of quantum wavefunctions. Recent work that...
The Simple Idea Behind Einstein’s Greatest Discoveries
Lurking behind Einstein’s theory of gravity and our modern understanding of particle physics is the deceptively simple idea of symmetry. But physicists are beginning to question whether focusing on symmetry...
Mathematicians Prove 2D Version of Quantum Gravity Really Works
...theories of fundamental physics: quantum fields. “This is a masterpiece in mathematical physics,” said Xin Sun, a mathematician at the University of Pennsylvania. Infinite Fields In physics today, the main...
Quark Quartet Fuels Quantum Feud
...it,” explained Thomas Cohen, a physics professor at the University of Maryland. Quantum Chromodynamics Quarks have one of three “color charges,” which are analogous to the primary colors red, green...
Taming Superconductors With String Theory
...is taking the “everything” literally. He’s applying the mathematics of string theory to a major problem at the other end of physics — the behavior of a potentially revolutionary class...
Dwarf Galaxies Dim Hopes of Dark Matter
...get more creative. “Even though many people are working very hard on the WIMP paradigm, people are starting to think more broadly,” said Mark Trodden, a professor of theoretical physics...
Classical Computing Embraces Quantum Ideas
Someday, quantum computers may be able to solve complex optimization problems, quickly mine huge data sets, simulate the kind of physics experiments that currently require billion-dollar particle accelerators, and accomplish...
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...