I have some general questions for a class I'm taking. Here they are!

1)What are the potential risks/benefits of nanotechnology? Is there a way to justify nanotech application, given the known potential risks (and the unknown)?

2)What efforts are being undertaken to investigate and mitigate those risks?

3)Nanotechnology is already applied in cosmetics and other consumer products. Do you feel that, given the successes and/or failures of other efforts to promote consumer awareness (e.g., tobacco, lead paint), there will likely be a consumer movement or backlash against nanotech? Would you support such a movement?