click here Ferroflow is a mesmerizing art display which creates stunning visual experiences. It uses ferrofluid and magnetism to achieve it. Ferrofluid is a liquid that NASA invented in 1963 as a prototype rocket fuel. The top of the gadget is constructed of aircraft grade T8 aluminum which is insanely durable and the glass tube is made from laboratory grade glass. Just be careful, if your hard drive was made before 1999, its magnetic field can wipe it clean!
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