Engineering

Temperature-sensing building material changes color to save energy

Researchers at the University of Chicago's Pritzker School of Molecular Engineering (PME) have designed a chameleon-like building material that changes its infrared color—and how much heat it absorbs or emits—based on ...

Energy & Green Tech

Arctic cold 'no sweat' for electric cars in Norway

Norwegian electric car owners have a word for the way they feel when they look nervously at their battery indicators while driving in subfreezing weather: "rekkevideangst", or "range anxiety".