A new discovery in Egypt's Great Pyramid of Giza suggests the structure was not just a pharaoh's final resting place, but also a giant power plant. Scientists blasted the 4,600-year-old structure with electromagnetic waves, a form of radiation that travel though the universe, finding it focused and amplified the energy into specific chambers and around the base. Electromagnetic waves are used in such research because the radiation interacts with matter in unique ways, allowing experts to probe specific details about a structure's composition, arrangement and dynamics. The waves built up as energy in the King's chamber, the Queen's chamber, and...