Power-Saving Light Sensor [video]

Power-Saving Light Sensor [video]

Light plays a growing role in wearable Health Tech devices. By measuring light reflected by different tissues and materials, wearables can measure heartbeats and blood pressure; companies are developing systems that can even measure blood glucose and other important...
Self-Powered Implant Needs No Batteries

Self-Powered Implant Needs No Batteries

Do you remember elementary school science lessons where you’d rub a balloon on your head and your hair would stand up? Or rub a plastic comb with a piece of wool and it would attract little slips of paper? Or maybe you’ve received a painful shock in the...
High Tech Comb Kills Head Lice

High Tech Comb Kills Head Lice

Between 6 and 12 million children suffer from head lice infestations every year in the U.S. alone. They spread through direct contact (lice and their eggs die within a day or two if they fall on the ground), so it’s common for them to affect children in...