A group of researchers at New York University has developed a new type of gear system that uses fluid motion to produce ...

Researchers in the US and Sweden have shown that it is possible to operate a particle collider like a set of gears, allowing particles to circulate at different velocities. This could be a boon for ...

You spin me round: Two spinners inside a circular container are surrounded by liquid containing bubbles that help to visualize the flows. The left spinner is actively driven to rotate with a motor ...