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Providing your own power
January 1st, 2022
Biofuel cells harvesting energy from sweat, part of a wearable microgrid developed at the Center for Wearable Sensors, UC San Diego. Photo: Lu Yin. Power and efficiency are important drivers in energy harvesting technology for e-textiles, but there is much more to consider. Bulk, weight, flexibility, sustainability, ease of integration and scalability are also among […]
Robots on the wing
August 1st, 2019
Purdue University researchers are building robotic hummingbirds taught to fly using artificial intelligence methods. The robots fly while tethered to an energy source, but the researchers expect that soon they will have the freedom of battery operation. Photos: Purdue University/Jared Pike. Hummingbirds are amazing creatures: They flap their wings as fast as 80 times per […]