Engineering

Researchers bring first underwater messaging app to smartphones

For millions of people who participate in activities such as snorkeling and scuba diving each year, hand signals are the only option for communicating safety and directional information underwater. While recreational divers ...

Robotics

A personalized exosuit for real-world walking

People rarely walk at a constant speed and a single incline. We change speed when rushing to the next appointment, catching a crosswalk signal, or going for a casual stroll in the park. Slopes change all the time too, whether ...

Engineering

A wearable device so thin and soft you won't even notice it

Wearable human-machine interfaces—devices that can collect and store important health information about the wearer, among other uses—have benefited from advances in electronics, materials and mechanical designs. But current ...

Energy & Green Tech

See-through film rejects 70 percent of incoming solar heat

To battle the summer heat, office and residential buildings tend to crank up the air conditioning, sending energy bills soaring. Indeed, it's estimated that air conditioners use about 6 percent of all the electricity produced ...

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