Here's a new video about copper, including a nice demonstration and some stories from The Professor. (We kept one older story from the original video because it was too interesting) More...
========== Okay weíre going to be looking today at copper.
This is something looking back at the old video, itís a short video and there isnít
any experimentation in it so I thought weíd do something a bit practical. Copper is an element which people are very
familiar with because itís such a characteristic coloured metal, sort of reddish colour, though
it gets darker when oxide forms. But itís quite a soft metal and you can cut it quite
easily if you have a cutter like this which has steel blades, it will just dig into the
metal and it should just cut off. When you cut the metal you get this very nice, shiny,
fresh surface coloured just like copper. This is a ball of copper, copper metal. As
you might imagine itís a ball of metal so therefore it is quite dense and...