When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know you’re building something really, really tiny. All of the usual tiny superlatives ...

Shrinking an engine down to a tiny device capable of powering micromachines is no longer just a flight of fancy. The world's smallest steam engine combines a small plastic bead with lasers to ...

Steam engines. For most of us, they conjure images of horseless buggies, paddle ships and classic locomotives, but soon they may be setting new speed records and hitting new benchmarks for efficiency- ...