... offered free electricity by a friend at the local power plant. Tesla seized the opportunity and constructed a 150 foot metal tower at his lab. The idea of the tower was to test his theory of resonant energy. Tesla discovered that the earth, with it's molten iron core, was a great conductor for electricity. He could send a pulse of electricity through the earth that ... it for weeks, putting small amounts of energy into his tower. People living around it reported lights in their house coming on spontaneously and sparks would leap from the ground as people walked. This was only the test p...

• Word Count: 3085
• Approx Pages: 12
• Has Bibliography
• Grade Level: High School