Martin Hendry does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Kelvin wakes: patterns seen in cleaved silicon resemble the wakes made by these boats. (Courtesy: Arpingstone) Unwanted roughness on cleaved silicon surfaces is created by an acoustic effect that is ...

Linking two smoke rings or tying a single ring into a knot is no easy feat. Such topological vortices are now created in water with the aid of specially printed hydrofoils. Turbulence and vortices are ...