Solar “helicopter” moves quick and in 3 dimensions to catch the sun
The “Helicopter” can even function inside a room collecting the sun as the rays hit the open space.
The “Helicopter” can even function inside a room collecting the sun as the rays hit the open space.
Two Egyptian banks are moving into green lending with an initiative to finance rooftop solar power systems for residential consumers. National Bank of Egypt and Banque Misr are offering loans within specific areas of Cairo, with plans to expand into Egypt’s other governorates. How will that work in a mostly Muslim country, where interest payments are forbidden […]