Let's Experiment with Energy A lump of coal is a form of energy, but what exactly is energy? Eight delightful experiments teach us about energy and make us use our bodies and brains. Educational and fun, too! Let's send electromagnetic waves and create light! Electromagnetic Waves = When electric waves hit a fluorescent lamp, something strange occurs. Seven colors of light appear like a rainbow. Copyright(C) 2002 OMUTA SEKITAN WORLD. All rights reserved.