Nanotech, a new revolution in technology. His presence became controversial. On the one hand, it is said to resolve the various problems of humanity, but on the other hand, many environmentalists who sued him. Various fears of adverse effects that would cause, make some people reject it.
Nanotech, although many also declined, but many pebelitian ongoing. So now the world must face a new revolution in technology, after the Industrial Revolution, then the green revolution and information revolution, which are all in fact a bad impact.