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An Italian Cosmologist Who Wanders in Dante’s Dark Wood
...about cosmology at all when I started physics, and even then I wasn’t very convinced about physics in itself. But physics offered me a good opportunity to combine several different...
What Is the Nature of Time?
...in the past? And how might quantum physics redefine it in the future? Frank is the Herman Feshbach Professor of Physics at M.I.T., a distinguished professor at Arizona State University,...
A New Map of the Universe, Painted With Cosmic Neutrinos
Physicists finally know where at least some of these high-energy particles come from, which helps make the neutrinos useful for exploring fundamental physics. Of the 100 trillion neutrinos that pass...
Quantum Theory Rebuilt From Simple Physical Principles
...studied detached from its application to physics,” Chiribella said. This approach doesn’t address any underlying physics at all, but just considers how outputs are related to inputs: what we can...
Peering Into the Early Universe
...fields of astronomy, physics and cosmology. In addition to the planned experiments, scientists hope to be surprised by unforeseen, paradigm-shifting observations, the way a previous generation of four-meter telescopes discovered...
A Fluid New Path in Grand Math Challenge
...don’t fully capture the ocean’s physics.) “My mindset has certainly changed,” he said. A central insight of computer science is that, whenever a physical phenomenon is complex enough, it should...
A Bold Critic of the Big Bang’s ‘Smoking Gun’
In mid-March, a panel of four astrophysicists working on an experiment to probe the first moments of time held an extraordinary press conference at the Harvard-Smithsonian Center for Astrophysics (CfA)...
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 Grand Theory of Wrinkles
...but they don’t provide much insight into the underlying physics. “There are these huge programs where they basically just put everything and the kitchen sink into it, and then yeah,...