Solar Energy Concentrator

May 24, 2011 by  
Filed under Wind and Solar

Purchase: hilaroad.com This video demonstrates how solar energy can be focused with a curved mirror. Once focused this energy can be used to cook food, sterilize water even create electricity. Includes an explanation of Energy, Power, Joules, Watts. Examples of radiant, heat, chemical and kinetic energy are given. Includes links to directions for constructing a simple solar concentrator.

Energy from the Wind

May 17, 2011 by  
Filed under Wind and Solar

Purchase: hilaroad.com This video demonstrates how to construct a model windmill and then calculate its power output. Includes discussion of Energy, Work, Power, Joules and Watts.

Solar Cell

May 2, 2011 by  
Filed under Wind and Solar

Purchase: hilaroad.com An explanation of how solar cells work. Suitable for an introduction to solar energy.