The astrolabe was a revolutionary tool for calculating celestial positions and local time. The device's design dates back to Islamic antiquity.

When it came time to describe what they saw under microscopes, Victorians couldn’t help but perceive a real-life fairyland.

Would today's online, social media-based friendships look familiar to the letter-writing friends of earlier centuries, when epistolary friendships were also common?

The cost of generating solar power has dropped so dramatically, it is now economically advantageous for tobacco farmers to replace tobacco with solar farms in many places.

In the case of envy, social media works in three closely related ways: by increasing proximity, by eliminating encapsulation and by rejecting concealment.

The ritual of public shaming is nothing new. But today's brand of mass humiliation is more public, more widespread, more scarring, and potentially more dangerous. 

A money belt with a zipper became an instant success among WWI U.S. sailors, whose uniforms did not have pockets. Almost all initial zipper sales were for the money belts.

There's no shortage of online dating sites and apps. But there’s one common problem with these services: they’re all looking at the wrong data. Dating apps should take a hint from Netflix's algorithm.

Word processing software has not only changed the way we write; it's changed the way we read. It pays to think about what we want from our writing tools.

Is Facebook bad for your mental health? Researchers have been studying the profound impact social bonds can have on health since the 1970s.