“Lack of wings and lack of evident means of propulsion clearly rule out conventional aircraft and helicopters. Many are soundless, many move at such speeds and with such accelerations that they defy ...

A solution to P vs NP could unlock countless computational problems—or keep them forever out of reach. 1. On Monday, July 19, 2021, in the middle of another strange pandemic summer, a leading computer ...

A ripple tells you something happened, but not exactly what. That is the core problem behind a hard class of equations that ...

Erik Hoel opens his recent book, The World Behind the World: Consciousness, Free Will, and the Limits of Science 1, with a review of “humanity’s two perspectives on the world.” I learned of Hoel’s ...

A new study describes how machine learning tools, run on classical computers, can be used to make predictions about quantum systems and thus help researchers solve some of the trickiest physics and ...