At Dartmouth’s Thayer School of Engineering, Professor Eric Fossum and doctoral student Jiaju Ma have developed a new pixel with dramatically improved low-light sensitivity. Fossum, who invented the CMOS image sensor used in most cellphones and digital cameras, worked with Ma for more than three years before publishing results of their new Quanta Image Sensor (QIS) in an IEEE publication. Among the applications for the new sensor are security cameras, astronomy and life science imaging. Continue reading New Low-Light Pixel Could Have Wide Range of Applications

Scientists and engineers are working towards making wireless power possible by harvesting and transforming existing energy from the world around us. Models they have looked at include nanoscale pillars that turn waste heat into electricity and a spongey smartphone case that generates electricity from sitting on a vibrating surface. One source of energy is thermoelectricity, which works by creating electricity from the current created by electrons moving from hot to cold, an approach that may be ideal for humans. Continue reading Wireless Power: Experiments in Charging Future Mobile Devices