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How about this. [youtube]http://www.youtube.com/watch?v=NSb0IAU9sWw[/youtube]
One question , this works with tooth brushes only , right?where can I find a big brush which demonstrates the same properties?
QuoteOne question , this works with tooth brushes only , right?where can I find a big brush which demonstrates the same properties?It's not the tooth brush but actually the directional friction. The brushes are angled, so one way is pointy, the other way is smooth.When the brush vibrates, the brush will move in the direction of least resistance - away from the high friction direction.People have suggested that you can build a nano-robot by putting a brush of angled carbon nano-tubes on it and then vibrating it to move.
In what way is a robot that reacts when it hits something or gets poked not like a single celled organism? What defines that a robot is not alive? They can communicate, they can react. When the human mind is finally cracked, what limits that from being reprogrammed like a robot?