fresnic lenses

Video by Tim Palmieri and Megan Varner
Video by Tim Palmieri and Megan Varner
GWU
How do we clean up dirty water in developing areas? With simple parts that anyone can find, according to one DC-area inventor.
Can we use fiber optic cables to transport or transmit solar light and heat over long distances from hot deserts to cold weather areas? My point is that I think there is a great need for solar heat in areas where it is frequently foggy or rainy and... Read More