In-Mouth Wireless Sensor Detects Sodium

In-Mouth Wireless Sensor Detects Sodium

Hypertension, aka high blood pressure, is an increasingly common condition affecting one of two U.S. adults — often without symptoms — according to the American Heart Association (AHA). Hypertension increases the risk for heart disease and stroke, two of...
Blood-Powered Devices

Blood-Powered Devices

Nearly all our electricity comes from mechanical energy; a flow of liquid or gas passes a propeller or similar device, which spins magnets in a coil of wire to produce an electrical current. This is the basic technology behind hydroelectric, coal, gas, nuclear, and...
Unlocking the Secrets of Sweat

Unlocking the Secrets of Sweat

An article in IEEE Spectrum describes work by researchers at the University of Cincinnati and the U.S. Air Force Research Laboratories. They started with the fact that signs of over-exertion and dehydration can be detected in a person’s sweat before the problem...