Imagine trying to design machines that will last forever, regardless of use or destination. Instead of those machines requiring a steady stream of spare parts (essentially impossible for space probes ...

The improvement is an effort to shore up returns on beverage containers with 10-cent deposits, which took a big nosedive during COVID-19 shutdowns.

Certain biological molecules are able to move in a “quasi-mechanical” way, and these can be considered to be molecular machines. These are seen in many natural processes, and from this, ...