Disposable batteries seem so 1990s. Sure, it’s nice to be able to spend a couple of bucks at the drugstore and get a flashlight or TV remote back in the game, but when the device is a daily ...

The map below shows the location of Cardiff and London. The blue line represents the straight line joining these two place. The distance shown is the straight line or the air travel distance between ...

The map below shows the location of Anchorage and Moscow. The blue line represents the straight line joining these two place. The distance shown is the straight line or the air travel distance between ...

A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...