How To Make Ferrofluid Ferrofluids are made up of tiny magnetic fragments of iron suspended in oil (often kerosene) with a surfactant to prevent clumping (usually oleic acid). The fluid is relatively easy to make at home yet extremely expensive to buy on-line. Read on to learn how to make ferrofluids on the cheap.
Opium for headaches and women's discomforts. Also a favourite recreational habit of the romantic poets Byron, Keats, and Shelley. Art and literature abound with tales of the pleasures and dangers of burning the midnight oil.