Supercritical answer to waste oil found

Lubricating oils deteriorate and oxidize with use as well as accumulating particles from the engines and other machinery in which they are used. Ultimately, their effectiveness worsens and they begin to damage the components ...

Recuperating waste heat under the hood

For his semester project in mechanical engineering, Eliott Guenat studied the best way to recuperate waste heat from a car's engine. The challenge is figuring out how to incorporate the heat exchangers micro-turbomachines.