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Quantum Computing Without Qubits
...but rather are designed to explore specific problems in quantum physics. A classical computer would have to run for thousands of years to compute the quantum equations of motion for...
A Proof That Some Spaces Can’t Be Cut
...dissertation adviser at Harvard, and Tomasz Mrowka, a topologist at the Massachusetts Institute of Technology, combined equations that originated in quantum physics with Floer homology to construct a powerful invariant...
Scientists Conjure Curves From Flatness
...two-dimensional structure,” said Randall Kamien, a professor of physics at Penn who heads the research group behind the result. “The whole thing will just pop up all by itself.” The...
A Common Logic to Seeing Cats and Cosmos
...and ubiquitous mathematical techniques in physics, a procedure for calculating the large-scale behavior of physical systems such as elementary particles, fluids and the cosmos. The new work, completed by Pankaj...
New Twist Found in the Story of Life’s Start
...of life’s handedness in the prebiotic worlds of physics and chemistry, not biology. Many molecules come in mirror-image forms, known as left-handed and right-handed. A chemical process will create both...
Multiverse Collisions May Dot the Sky
...Aspen Center for Physics, Peiris found herself chatting with the Perimeter Institute’s Matt Johnson, who mentioned his interest in developing tools to study the idea. He suggested that they collaborate....
In a Multiverse, What Are the Odds?
Testing the multiverse hypothesis requires measuring whether our universe is statistically typical among the infinite variety of universes. But infinity does a number on statistics. If modern physics is to...
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...
At the Far Ends of a New Universal Law
...appeared in models of the wriggling perimeter of a bacterial colony and other kinds of random growth. Before long, it was showing up all over physics and mathematics. “The big...