But bearing in mind that copper can go for about $2.50 a pound at the scrap yard, there’s some money to be made, especially with dead microwaves essentially free for the taking. As [Ben] points ...

Texas A researchers have developed a groundbreaking electric motor using copper instead of rare Earth materials.

Hormonal coils, which release low levels of hormones into the body, are one of two types of contraceptive intrauterine device (IUD). The other is the so-called "copper" coil, which doesn't release ...

plenty of women swear by the device as a fuss-free means of contraception. But what happens when it’s time to get the copper or hormonal coil removed? That’s something you never really think ...