These robots can be powered by computers capable of performing a billion calculations a second.
He bought some battery powered lights to hang on the wagon and Gerald helped him pile hay on the wagon.
She powered it up and began comparing her notes with the cases cited in the article.
Similarly, they require little power, so they either can be powered cheaply or can power themselves from their environment, with a little heat or sunlight.
Additionally, online stores powered by Yahoo and Google and Amazon exist where small vendors can set up storefronts and sell to the world, as a hobby or a livelihood.