Gravity Could Solve Clean Energy’s One Major Drawback

Gravity Could Solve Clean Energy’s One Major Drawback

As each block descends, the motors that lift the blocks start spinning in reverse, generating electricity that courses through the thick cables running down the side of the crane and onto the power grid.

Watch a Shape-Shifting Robot Prowl the Big, Bad World

Watch a Shape-Shifting Robot Prowl the Big, Bad World

Writing today in the journal Nature Machine Intelligence, researchers in Norway and Australia describe how they got DyRET to learn how to lengthen or shorten its limbs to tackle different kinds of terrains.

On the Moon, Astronaut Pee Will Be a Hot Commodity

On the Moon, Astronaut Pee Will Be a Hot Commodity

The resulting material is a geopolymer, which has similar properties to concrete and could potentially be used to build landing pads, habitats, and other structures on the moon.Lunar regolith has chemical similarities to fly ash, which makes geopolymers an attractive option for building stuff on the moon.

Building High-Rises Out of Wood Can Help Save the Planet

Building High-Rises Out of Wood Can Help Save the Planet

“You end up with a basically a sheet of wood that is, in its size and the way you use it when you engineer or design with it, very similar to a slab of concrete,” says Michael Ramage, director of the Centre for Natural Material Innovation at the University of Cambridge, who wasn’t involved in this new work.