Nanoscience is small science with huge possibility. "Nano-" is a prefix that means "a billionth." Basically just recognize that when we talk about nanoparticles, nanobots, nanoscience, nanotubes or nanotech, this stuff is REALLY tiny.
Nanoscience has been around a while, but people aren't necessarily aware of what research and applications are being explored. Take a quick tour of nanoscience here and learn enough to make a few declarative statements at your next cocktail party. via YouTube