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Engineering296 articles archived since 1845

Heat Sensor Has Snaky Sensitivity

Researchers have developed a heat sensor that can detect temperature changes of just ten thousandths of a degree Celsius—comparable with the sensitivity of pit vipers. Christopher Intagliata reports.

February 15, 2017 — Christopher Intagliata

Cool Coating Chills in Sunlight

A thin film coating can chill a vat of water to 15 degress Fahrenheit cooler than its surroundings, by absorbing—and then emitting—the sun's infrared rays. Christopher Intagliata reports.

February 13, 2017 — Christopher Intagliata