Welcome to the online classes at home with the theme diy wire jewelry - handmade copper jewelry - also hope to inspire more ...

Simple cross earring - How to make jewelry from copper wire Can do the same with ring, bracelet and pendants to make sets.

Researchers from Tokyo Metropolitan University have revealed how a catalyst in a promising chemical reaction for industry helps make ammonia, a major ingredient in fertilizer. Copper oxide is a key ...

Ever imagined that a tiny atomic switch might revolutionize how we tackle ammonia production? That's exactly the bombshell dropped by the team at Tokyo Metropo ...