U.S. nanotechnology proponents advocate for yoking nanotechnology to a challenge akin to the ?man-on-the-moon? mission ? something dramatic and daring that will amaze the public and excite the scientists.

Greenpeace has released a 72-page report on the environmental and societal consequences of both nanotechnology and artificial intelligence. It argues that government and industry must do much more to confront these challenges while the technologies are still in development.

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