Studying crowd dynamics could inform strategies that help to prevent dense gatherings from becoming dangerous.

When humans kick swim through water, vortices form around their legs, generating the force that propels them forward. However ...

Kelvin waves have been a mystery for decades but a new method involving superfluid helium-4 can help us control them.

In a new study published in Nature Physics, researchers have developed the first controlled method for exciting and observing ...

Researchers at University of Tsukuba have discovered that the structure of vortices generated around a swimmer's feet changes with increasing speed during underwater undulatory swimming. Specifically, ...

The ingestion of the piston vortex results in an increased ring impulse and an altered trajectory, when compared to the case when the piston motion is finished piston speed and piston diameter, is the ...

The main goal was to assess the effectiveness of vortex beams in measuring three-dimensional (3D) motion, detecting rotational dynamics, and evaluating the properties of complex media. This was ...