At the liberation of Buchenwald Concentration Camp. Elie Wiesel – author, Nobel Laureate, survivor – is seen on the second row up near the man standing. April 16, 1945. Photo by Harry ...

Give me a qubit for long enough and a probe in which to measure it, and I shall extract the geometry of our world.” ...

Physicists have successfully played a mind-bending “quantum game” using a real-world quantum computer, in which lasers ...

time travel movies that make sense—smart, well-written stories that use time travel in ways that actually work and feel ...