Energy & Green Tech

Elephant-inspired cement tiles cool buildings without electricity

Inspired by the cracked, water-trapping skin of elephants, Penn researchers have developed a low-cost cement tile that cools buildings by capturing and slowly evaporating water—turning a structural flaw into a climate solution.

Consumer & Gadgets

Prototype glasses can turn infrared into color vision

The human eye, as good as it is, misses out on so much of the world because it is limited in what it can perceive. It can't see X-rays, ultraviolet rays or infrared light. While X-ray goggles are still the stuff of science ...

Engineering

Scientists create interactive screens that can appear on demand

Imagine reaching for a record or glancing at a map and seeing a display bloom from a small box, offering interactive guidance—and then vanishing moments later. A new device, inspired by science fiction and designed by computer ...

Consumer & Gadgets

Wearable patch vibrates when it detects environmental hazards

Researchers have created a wearable patch that can detect hazards in the environment—such as dangerous gases or heavy metals in water—and then notify wearers by vibrating against their skin. The researchers have also extended ...

page 1 from 8