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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,...
A Tricky Path to Quantum-Safe Encryption
...years. By exploiting the probabilistic rules of quantum physics, the devices could decrypt most of the world’s “secure” data, from NSA secrets to bank records to email passwords. Aware of...
‘Outsiders’ Crack 50-Year-Old Math Problem
...different to Kalai. It seemed connected to the famous Kadison-Singer problem, a question about the foundations of quantum physics that had remained unsolved for almost 50 years. Over the decades,...
Gravitational Waves Discovered at Long Last
...make waves in space-time. Rainer Weiss, a professor of physics at the Massachusetts Institute of Technology, around 1970. Still, Einstein and his colleagues continued to waffle. Some physicists argued that...
LIGO Reports Second Black-Hole Merger
...professor of physics at Syracuse University, told Quanta that the two observations to date “tell us the black holes exist over a broad range of masses, from about seven to...
Colliding Black Holes Tell New Story of Stars
...universe, akin, some said, to when Galileo first pointed a telescope at the sky. Already, the new gravitational-wave data has shaken up the field of astrophysics. In response, three dozen...
Tiny Tests Seek the Universe’s Big Mysteries
...of exotic physics that could be visible at scales just below the thickness of a dollar bill — provided you build a clever-enough experiment, one small enough to fit on...