Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
The dream of creating game-changing quantum computers—supermachines that encode information in single atoms rather than ...
You can break the ice by asking the right questions, tailored to people’s needs. Leaders keep on asking questions and ...
A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in ...
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