Engineering

Device mimics the mangrove's water-purifying power

The mangrove tree survives in its subtropical habitat by efficiently converting the salty water of its environment into fresh water—an engineering feat that has long baffled scientists.

Robotics

A tactile robot finger with no blind spots

Researchers at Columbia Engineering announced today that they have introduced a new type of robotic finger with a sense of touch. Their finger can localize touch with very high precision—

Engineering

Heating and cooling that anticipates your needs

According to a recent survey, about half of Americans feel their office is either too hot or too cold. A number of factors play into this issue of thermal comfort, but the hardest factor to control for is the one we're most ...

Engineering

How to stop an iceberg in its tracks

To determine how melting icebergs could be affecting the ocean, a kayak-sized robot stopped the massive chunks of ice drifting and spinning in the waters of the North Atlantic—all by itself.