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...
Can a Mobile App Improve Health?

Can a Mobile App Improve Health?

Frequent readers of Health Tech Insider will know that I often bang the drum calling for more scientific evidence that wearables and other mobile health technology can actually produce the improved health outcomes and reduced costs that many of us (reasonably) expect...
Sweat Sensors Can Identify Disease

Sweat Sensors Can Identify Disease

The eyes may be the window to the soul, but a substance as prosaic as sweat could provide a way to measure a wide range of hidden activities going on in your body. We tend to think of sweat as salty water (if we think about it at all), but the fact is that it is a...