Stuff

The road to a solid-state switch was a long and complex one. It began with the discovery that certain materials behaved oddly with respect to electricity – differently than any existing theor…

For every amusingly wrong prediction, there’s one unnervingly close to the mark.

Finland shares an 833-mile border with an aggressive and unpredictable neighbor. That proximity led to a major conflict during World War II—the horrific Winter War—and even now it keeps Finns nervous about Russia’s intentions. David Wolman suited up to train with the elite soldiers who will be on the front lines if this cold feud ever gets hot.

When the Woolwich foot tunnel closed for repairs in 2011, it should have been a routine job. The pathway had been providing pedestrians with a quick route beneath the Thames since 1912. A century o…