Telecom

When WiFi is weak, send noise instead

When WiFi was designed, it was intended for high-speed data communications. The Institute of Electrical and Electronics Engineers (IEEE) set the standards for communications—that's the 802.11 protocol, a familiar number ...

Energy & Green Tech

Scientists tap unused energy source to power smart sensor networks

The electricity that lights our homes and powers our appliances also creates small magnetic fields that are present all around us. Scientists have developed a new mechanism capable of harvesting this wasted magnetic field ...

Electronics & Semiconductors

New wearable sensor sets record for solar power efficiency

Sweat, like blood, can tell us a lot about a person's health. And conveniently, it's a lot less invasive to collect. This is the premise behind the wearable sweat sensors developed by Wei Gao, assistant professor of medical ...

page 1 from 3