Draw Smart Sensors Directly on Skin with Inks

Draw Smart Sensors Directly on Skin with Inks

Flexible skin patches with biometric sensors have several advantages over devices that you strap on, clip to clothing, or carry. Skin patch sensors conform to the skin surface, are light in weight, comfortable, and easy to remember to wear if you never have to take...
Bio-sensitive Ink for Smart Garments

Bio-sensitive Ink for Smart Garments

If your clothing could speak, what would it say? Researchers at Tufts University’s School of Engineering would like to empower wearable fabric to speak volumes about an individual’s health. The research team developed biomaterial-based inks that sense chemicals...
Flexible Fabric Harvests Body Heat for IoT

Flexible Fabric Harvests Body Heat for IoT

The search for efficient power sources for wearables and Internet of Things (IoT) devices takes many directions. In the past, we’ve written about technology that harvests energy from knee movement, sunlight, nanotube yarn, and more. Scientists at the Electronics...
Virtual Skin Enables a Sense of Touch [video]

Virtual Skin Enables a Sense of Touch [video]

A child whose parent is a continent away, an amputee who longs to feel a loved one’s hand, and a gamer who seeks tactile feedback for a more immersive experience. These three people represent just a few application categories for a recent Northwestern University...
Smart Fabric Mimics Octopus Suckers

Smart Fabric Mimics Octopus Suckers

Wearable patch sensors may enable convenient continuous biometric monitoring, but they also raise questions about comfort and consistent adhesion. We’ve written about a wide range of patch sensors, including examples that track pH, blood pressure, and cortisol....