We’re fascinated by things with no moving parts or active components that work simply by virtue of the shape they contain — think waveguides and resonators for microwave radiation. A similarly ...

The Ranque-Hilsch vortex tube is an old invention that contains no moving parts and only needs compressed air to produce cold air. The Ranque-Hilsch vortex tube is an old invention that contains no ...

The Ranque-Hilsch vortex tube is an interesting piece of equipment. It can, without any moving parts or chemicals, separate hot and cold compressed gasses that are passed through it. Interestingly ...

A new patent from Stellantis covers a new way of cooling the hot compressed air from a turbocharger before it enters the engine. It would replace the traditional intercooler with a device called a ...