One example of a low-power IoT device is Energous’ eSense Tag (Fig. 2). It’s a 4- × 5-cm, waterproof wireless sensor that includes a temperature sensor. Designed for tracking items, it communicates ...
Electrical engineers at Duke University in the US have developed a new printing technique to create fully functional, ...
The world’s first all-optical radio runs on laser light, not electricity, opening new possibilities for stealth sensors and ...