Add Yahoo as a preferred source to see more of our stories on Google. The gear moves when its light-responsive structure is activated. (CREDIT: Gan Wang) Gears have powered the world for millennia, ...

Atomic Machines, founded by Amazon Prime builder Jeff Holden, has raised $250M for a system that builds micro-machines ...

Researchers have built microscopic machines—complete with working gears, racks, and pinions—that run entirely on light. The study, published recently in Nature, marks the first time engineers have ...

Whisky-inspired chemicals could help power a new generation of microscopic machines, according to researchers who have discovered a way to make tiny particles "swim" through liquid using compounds ...

As the human race has advanced, we've made the process of creating products extremely efficient. Assembly line factories litter the planet's landscape, mass producing items piece by piece and ...

Gears have powered the world for millennia, from clock machines to car engines. But miniaturizing them to microscopic dimensions has stumped engineers for decades. Anything under one-tenth of a ...