First Fresnel Lens video made in 2007. A science website for free DIY solar power. Dan and Denise Rojas make and demo solar Fresnel Lenses, Parabolic Mirrors and alternative energy options that produce real power. GreenPowerScience.com also offers information for preppers including DIY solar thermal, solar cooking, off grid living and solar panel - PV Photovoltaic projects in an easy to understand teaching atmosphere. Solar is the future for a healthy planet.