Engineering

Students build low-cost cold spray metal 3D printer prototype

A team of Rice University students has developed a cold spray metal 3D printing device that relies on pressure and velocity rather than temperature to create a metal part. Their work could help expand the repertoire of metal ...

Energy & Green Tech

Salt battery harvests osmotic energy where the river meets the sea

Estuaries—where freshwater rivers meet the salty sea—are great locations for birdwatching and kayaking. In these areas, waters containing different salt concentrations mix and may be sources of sustainable, "blue" osmotic ...

Robotics

New robot swims and jumps like a Chinese rice grasshopper

Biologist, materials scientist and bionics specialist Professor Stanislav N. Gorb and his team at Kiel University's Institute of Zoology are known for analyzing the spectacular abilities of animals and translating them into ...

Engineering

Fast X: Why cars don't really explode when they crash

Exploding cars may be entertaining to watch in action films. But cars erupting into fireballs when they crash or tumble down a mountainside is one of the most common and scientifically preposterous movie tropes.

Engineering

Next-gen heat pump could cut energy bills and carbon emissions

Researchers from the University of Glasgow have developed a new type of heat pump, a flexible heat pump technology, which could help households save on their energy bills and contribute towards net-zero emissions goals.

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