These effects are derived from two fundamental observations of physics: a steady current creates a steady magnetic field described by Oersted's law, and a time-varying magnetic field induces an electromotive force in nearby conductors, which is described by Faraday's law of induction.
Butter & salt. Preheat the oven to 400 degrees. Husk the corn, wrap each ear in foil, adding 2 teaspoons of butter to each packet. Bake for about 25 minutes or roast the foil-wrapped corn over hot coals turning once during the cooking. Serve with more butter and salt.
How To Roast Corn Off The Cob (without kernels flying all over your kitchen) 1  Remove corn husks and as much silk as you can with your hands. Rub the corn with a kitchen towel to remove the remaining persistent silk. 2  Stand the corn in the middle of a wide, shallow bowl, holding it upright with a firm grip.