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This is a link post Why are copper compounds colourful? - Naked Science Scrapbook I made this!
The latest Naked Science Scrapbook video from Sarah Castor-Perry...

"Copper compounds can be blue, green, yellow, brown and black - so how does it produce so many different colours? We find out the answer to this, plus why copper's flame test is green..."
(I helped save b3ta! TheAlmightyBeev, Fri 4 Mar 2011, 14:36, Reply)
This is a normal post SCIENCE!
I heartily Approve
 (Canazza is mostly listening to Yes, Fri 4 Mar 2011, 14:53, Reply)
This is a normal post Thanks!
We're tyring to put one of these out every other week at the moment, so I'm glad you enjoyed it.
 (I helped save b3ta! TheAlmightyBeev, Fri 4 Mar 2011, 15:15, Reply)
This is a normal post Ooh that's good!
You're a clever bunch.
 (I helped save b3ta! magictoast, Fri 4 Mar 2011, 15:52, Reply)
This is a normal post Got a click from me
Always happy to watch this stuff. Thanks :)
 (DrBatman, Sat 5 Mar 2011, 13:52, Reply)