(Nanowerk News) Researchers in Sweden report that they are closing in on a way to replace batteries for wearables and low-power applications in the internet of things (IoT). The answer lies in an ink ...

A special ink coating may allow boiled-egg lovers to toss out their timers. The ink reflects how fully the egg has been cooked: soft, medium or hard. Angie McGrandles of the British Egg Information ...