About solar energy

January 5th, 2012 - 

 

First solar cooker was invented in 1767 by Swiss Horace Saussure and it looked like a box made from wood, painted in black. Solar energy is a free and permanent opportunity to use natural resources. Solar panel generates electricity from photovoltaic cells, it generates heat for buildings and it provides hot water for all seasons. This method can save our planet from global warming because if you use this you don’t need to (more…)