WHAT YOU NEED: stationery to make a small box ... an LED bulb and strong ceramic bar magnets. STEP 4 - CONNECT LED: Cut the wire to leave two loose ends. Using the sandpaper, scrape away the ...

His design is conceptually similar to an induction cooktop, where alternating magnetic fields create eddy currents that heat metal cookware. But rather than using alternating currents through ...

Here, we describe how to use readily ... supply domestic electricity. How a Generator Works When an electric current flows through a wire, it generates a three-dimensional magnetic force field ...

The most common way of making electricity is by using energy to turn turbines ... The wind spins the turbine and this spins the magnets, and the spinning magnets generate an electrical current ...