Ferrofluid display cell Bluetooth speaker
For anyone as fascinated with this substance as I am, here [0] is a YouTube video of someone making it 'from scratch'. It's a very detailed explanation, and includes some comparisons of the outcome VS commercial ferro fluids.<p>[0] <a href="https://m.youtube.com/watch?v=6L8yUY-doNc" rel="nofollow">https://m.youtube.com/watch?v=6L8yUY-doNc</a>