Xiong Xiao in the lab holding a box with black contents.

Ultrasound and citric acid used for battery recycling

Known by expectant parents as the technology that enables them to see their child for the first time, ultrasound can be used at extremely low frequencies to serve an entirely different purpose. Researchers at KTH report the first time ultrasound to extract valuable metals from electric car NMC batteries—a key contribution to the battery recycling process.

Europa as seen from space
A new study by KTH researcher Lorenz Roth reveals that there is persistent water vapour in Europa's atmosphere. (Photo: NASA)

KTH researcher finds persistent water vapour in Europa’s atmosphere

The revelation that persistent water vapour exists in the atmosphere of Jupiter’s icy moon, Europa, was reported yesterday by the European Space Agenc...

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A piece of hydrogel is seen on the tip of a finger in the lab.
“Bacterial cells are interactive, and so are dendritic macromolecules,” says KTH Professor Michael Malkoch. “When they meet, it doesn’t turn out well for the bacteria.”

Gel fights drug-resistant bacteria and induces body’s natural immune defense

In the fight against multidrug-resistant bacteria, scientists in Sweden have developed a new kind of antibiotic-free protection for wounds that kills ...

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Person in front of a laptop with digital meeting gallery view of several faces
Isolation is a recurring line of argument in the reasoning behind distance meetings. Edlund’s thesis, after 20 years of observations in the field, is that hybrid meetings are less successful. When three participants are in one room and face each other to discuss, it excludes the person joining remotely. Photo: Unsplash

’Everyone should be able to participate in distance work meetings on same terms’

A work meeting where some participate together in a room while others join from distance is a bad solution, says Jens Edlund, university lecturer at t...

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