The idea that machines can be made on an extremely small scale is a revolutionary idea. But nanotech, just like everything else, has its pros and cons. For example, the notion of nanotechnology is very resourceful, but also potentially dangerous as well. Those bots can be used to transmit deadly diseases into the human cell, causing viral and contagious diseases. For more info, please visit:
http://www.nanowerk.com/spotlight/spotid=24927.php
