Engineering

Ultrasound creates a tube that guides matter through the air

A small stream of liquid flows quietly in midair, horizontally, as if inside an invisible tube. Nothing touches it. About 5 centimeters (2 inches) away, a cylinder lined with hundreds of tiny speakers surrounds the stream, ...

Robotics

Robot AI predicts future scenes to guide its next moves

A robot artificial intelligence (AI) system has been developed that can understand human instructions, predict what a scene will look like after an action and then carry out the task. Rather than simply translating instructions ...

Software

Your car's weakest spot may not be in the car

A car is a computer on wheels. It communicates with the car manufacturer's cloud services, the driver's phone and charging stations, and when children stream movies in the back seat, data travels over the internet. All these ...

Electronics & Semiconductors

Ambient radiation used to power battery-free temperature sensor

Researchers at the University of Arkansas and the University of Michigan have reported the creation of a graphene-based energy harvester that uses ambient radiation to run ultralow-power temperature sensors. This is the second ...

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