2 ms·

This is true but we have no way of known which ones will be problematic. After all someone thought nitrate fertilizer was going be the biggest boon to world pe

• marcosdumay 4y ago
  > but we have no way of known which ones will be problematic Before we build something, we usually have a pretty good idea of what problems it may cause. We can only have no idea if we don't know any property of it, and creating something that you didn't predict in any way is extremely rare. For example, smart dust is one thing guaranteed to create both great ecological problems and solutions.