Electricity from the Airwaves

Electricity from the Airwaves

Perpetual motion machines cannot exist, at least according to the Laws of Thermodynamics. Eventually, the energy will leak out and the machine will stop. But if you can provide a machine with an endless external source of energy — such as the sun — it...
Energy Harvesting Key to Wearable Success

Energy Harvesting Key to Wearable Success

If wearable Health Tech devices are to be successful, they are going to have to disappear into our lives. If they require that we plug them in (or place them on a charging station) every night or week or month, it will give people one more reason to not use them. This...
Power Hearing Aids with Talking

Power Hearing Aids with Talking

Hearing aids have made life far more convenient for people with impaired hearing. They are one of the most common forms of wearable Health Tech devices, and continue to improve at an amazing rate. Miniaturized digital processing has made it possible to create...