DIY Night vision webcam

 very simple and easy conversion of webcam into a night vision camera............

Things needed:

•    an old webcam
• Small piecde of  x-ray film
•   screwdriver
•   & some free time........

PROCEDURE:

DIY Horizontal axis Windturbine

An introduction to Wind Energy

Concept of Free Energy:

                   Free Energy refers to extractable energy which is present in bulk amount around us.  We see the concept of free energy  since from the very early people of the world. Man used solar energy in extracting salt from marine water, wind energy in sailing ships in the waters and wind energy in drying wet clothes.