Just how small can you make an engine? Two researchers from the University of Stuttgart and the Max Planck Institute for Intelligent Systems, Valentin Blickle and Clemens Bechinger, successfully ...

It sounds implausible, yet scientists have managed to create a functioning engine, analogous to a Stirling engine, just three micrometers wide and made of a single particle. The minuscule engine was ...

The proposed design is based on a Stirling engine – an engine first invented in the 19 th century that uses hot pressurized gas to push a piston. It would use a 50-pound nuclear uranium battery to ...