metals

My Question to everyone is can Nitrocellulose react to small particles of Metal if Atmospheric oxygen is not present to form an oxide layer on the metal?

So I was watching TV and I saw a commercial for flexon glasses that consisted of metal that you could twist & bend but would retain its original shape. I was like "that is f****** cool!" Then I thought...didn't I see & hear something about metal that could be bent & twisted but retain its...

I don't know about you, but when I buy any medicine, I expect the net effect to be positive. Well, how would you like to find out that a medication has 40 times the maximum allowable limit of arsenic? CBC article: Heavy Metal Warning for Ayurvedic medicinal products Then again, I never had...

This is a technological question. Suppose you don't have any metals. You know about ores underground. How would you locate places to dig and how would you do the actual mining and refining of the metals? Could you do it with stones, trees, pottery, animal horns, and that sort of stuff?