Engineers at the University of California San Diego developed a thin, flexible strip that can be worn on a fingertip and generate small amounts of electricity when a person’s finger sweats or presses on it. (Watch the demo on Tech Briefs TV.)

Our “Q&A” article in the July issue of Tech Briefs highlighted the work of Dr. Burak Ozpineci from Oak Ridge National Laboratory. Ozpineci and his team are building a wireless power-transmission system that charges an electric vehicle as it drives along the road.

A July Tech Brief highlights a “structural battery” from the Chalmers University of Technology that uses carbon fiber as a negative electrode and a lithium iron phosphate-coated aluminum foil as the positive electrode. The battery works as both a power source and as part of the main...

Cities around the world are adjusting – and in some cases overhauling – their infrastructure in an effort to cool temperatures in their areas. Los Angeles and New York City, for example, have adopted “grey infrastructure” efforts, like applying coatings to roofs and roads so that...