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algorithms

The New Science of Seeing Around Corners

August 30, 2018

Computer vision researchers have uncovered a world of visual signals hiding in our midst, including subtle motions that betray what’s being said and faint images of what’s around a corner.

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quantum computing

Major Quantum Computing Advance Made Obsolete by Teenager

July 31, 2018

18-year-old Ewin Tang has proven that classical computers can solve the “recommendation problem” nearly as fast as quantum computers. The result eliminates one of the best examples of quantum speedup.

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neuroscience

A Math Theory for Why People Hallucinate

July 30, 2018

Psychedelic drugs can trigger characteristic hallucinations, which have long been thought to hold clues about the brain’s circuitry. After nearly a century of study, a possible explanation is crystallizing.

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quantum physics

Closed Loophole Confirms the Unreality of the Quantum World

July 25, 2018

A quickly closed loophole has proved that the “great smoky dragon” of quantum mechanics may forever elude capture.

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neuroscience

To Remember, the Brain Must Actively Forget

July 24, 2018

Researchers find evidence that neural systems actively remove memories, suggesting that forgetting may be the default mode of the brain.

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fundamental physics

The Peculiar Math That Could Underlie the Laws of Nature

July 20, 2018

New findings are fueling an old suspicion that fundamental particles and forces spring from strange eight-part numbers called “octonions.”

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neuroscience

To Make Sense of the Present, Brains May Predict the Future

July 10, 2018

A controversial theory suggests that perception, motor control, memory and other brain functions all depend on comparisons between ongoing actual experiences and the brain’s modeled expectations.

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computational complexity

Finally, a Problem That Only Quantum Computers Will Ever Be Able to Solve

June 21, 2018

Computer scientists have been searching for years for a type of problem that a quantum computer can solve but that any possible future classical computer cannot. Now they’ve found one.

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geophysics

Why Earth’s Cracked Crust May Be Essential for Life

June 7, 2018

Life needs more than water alone. Recent discoveries suggest that plate tectonics has played a critical role in nourishing life on Earth. The findings carry major consequences for the search for life elsewhere in the universe.