In 2010, two famous economists, Carmen Reinhart and Kenneth Rogoff, released a paper confirming what many fiscally conservative politicians had long suspected: that a country’s economic growth tanks ...

Today’s quantum computing hardware is severely limited in what it can do by errors that are difficult to avoid. There can be problems with everything from setting the initial state of a qubit to ...

The Air Force radar operator at Goose Bay, Labrador, last week was watching bright blips drifting across his radarscope as he traced the track of airplanes approaching from Europe. The planes seemed ...