The Sun is of no doubt one of the most sustainable source of energy and is obviously the reason why people are now eyeing to own a tool that would help them collect some solar energy to power-up their home appliances and the like. SolarOr, an Israeli company had developed an excellent eco-friendly creation that collects solar energy upon having it integrated in building facades making these facades an energy-generating window. Looks like a honeycomb, the BeeHive PV is made of durable acrylic solar panels and has the ability to produce 140 watts of electricity per square meter is installed on walls facing the sun.