Make a semi-superconductor with a frying pan and liquid nitrogen
It takes very special materials to make actual superconductors, but you can demonstrate the principles of superconductivity with a simple aluminum frying pan, a magnet, and a bit of liquid nitrogen. Have some fun with a semi-levitating magnet on a semi-superconductor. Superconductors are materials that, under normal circumstances, conduct electricity rather unimpressively, but drop the…