Researchers at the University of Gothenburg have announced an interesting invention: the “smallest on-chip motor in history.” ...

Researchers at the University of Gothenburg have made light-powered gears on a micrometer scale. This paves the way for the smallest on-chip motors in history, which can fit inside a strand of hair.

Abstract: Satellite data assimilation enhances space weather prediction by integrating observational data into models. Traditional methods like Kalman filtering and variational techniques provide a ...