Proper ferrofluids
After last week's disaster, here's a short video showing how Ferrofluids are supposed to look! I gave up trying to make my own and bought some from eBay along with some extra-strong neodymium magnets.
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Hi I'm Mat and I'm addicted to new hobbies. I used to think this was a bad thing but now I'm embracing it.
Writing them all up in this blog encourages me to finish projects, and helps me keep track of which ones I've tried.
Copper refining part 2

Last Friday I finally got around to melting down a bunch of old scrap copper that I'd had lying around for months...
Also in Making things...
Perfect muesli

My life can be broadly categorised into four phases by the kind of cereal that I have for breakfast, like the classic Ages of Man from Greek mythology: The Coco Pops age (4-14) This was the golden age, where the most important thing in my life was opening the next box of Coco Pops to find out which toy is in the packet...