Ferrocells are so cool! It allows us to see Magnetic fields 🙂
Here is an instruction video on how you an make one! I am looking forward to making one of these this summer!
Here is another person using different ingredients
6 drips baby oil, 2 drips mouse milk, 2 drips of wd-40 , 8 drips of ferrofluid.
BTW-Mouse Milk is a penetrating oil used in the aircraft industry - You can use regular baby oil or WD-40. if you can't find one.
