Two South Korean designers, Boa Oh and Kyuho Song, developed a revolutionary device to provide free electricity. Window Socket is a solar plug you can stick to any glass. At home on your window, in a car or in a place were is usually no plugs, you just have to put the window socket on the window and plug your device into it.
Equipped with a photovoltaic cell, this mini solar panel can charge solar energy we use every day. At the moment, Window socket is still in development, but this light and design innovative plug is going for sure to revolutionize the world by bringing free electricity to everybody.