Look Out, Silicon: Bio-Organic/Compatible Transistors are Coming on Strong Jun 03, 2019 Researchers developed an ion-gated transistor with relatively high transconductance and speed that can be used in analog or digital circuits such as EEG front-end “integrated” circuits. Charge-Storing Threads Turn Fabric into Supercapacitor May 23, 2019 Researchers combined conductive threads with a polymer film to create a flexible mesh of electrodes on a textile backing that functions as a supercapacitor. AI Enables Early Predictions of Li-Ion Battery Life May 21, 2019 Using artificial intelligence on voluminous data from controlled lithium-ion battery tests, researchers devised algorithms that assess battery-life expectancy based on early-cycle performance. Fused Nanowires and Conductive Fabric Heat the Body, Not the Area May 14, 2019 Using short, intense short pulses of xenon light, researchers devised a way to fuse silver nanowires on polyester fabric into a highly conductive patch, yielding heatable material that can keep the wearer warm. Piezo-Based Energy Harvesting for Medical Implants May Transcend Alternative Approaches May 14, 2019 Researchers developed a prototype energy-harvesting transducer for medical implants, such as pacemakers, using normal motion of the heart-related blood vessels to generate critical power. LED/Photodetector Array Provides Non-Contact 2D Mapping of Blood Oxygen May 07, 2019 By using an array of red and near-infrared LEDs, a research team developed an optically based, non-invasive system for 2D mapping of the blood oxygen saturation across a patient’s skin. Implantable Blood-Flow Sensor is Wireless, Battery-Free, and Biodegradable Apr 30, 2019 Researchers developed a self-powered, in-situ, biodegradable sensor of fluid flow in blood vessels that combines a capacitive pressure transducer with an RF antenna. Electronic Skin Emulates Hand’s Sensing of Pressure, Shear Force Apr 09, 2019 An array of uniquely positioned microcapacitors gives a robotic glove the ability to sense both skin pressure and shear force, providing touch and feel capabilities similar to a human hand. MEMS May Lead to Chip-Based “Personal” Electron Accelerator Apr 02, 2019 A collaborative team is attempting to combine electro-optical physics and a silicon MEMS structure to create a chip-size electron accelerator, in contrast to the mile-long versions in use today.