Powerdrills put in the hand of a country bumpkin in the early 20th century were pretty amazing, but they wound up being just an extension of intention. A person puts their finger on the trigger. But he needs some project to apply this to (something he's building) and a screw or drill (the solut...

Source: [Hacker News](https://news.ycombinator.com/item?id=49577665)

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