Explorers often need emergency light sources to help them navigate the outdoors, Luminous bottle is a kind of cup that can provide light. Surface mechanism of bottle effectively makes use of solar energy. The solar panes was lied in the body of the cup and the bottom of the cup has the luminous part which can transform solar energy into light energy. Carrying the cup during the day, cup can normally receive sunlight, absorb solar energy and convert storage for electricity. In the dark environment, the bottom of the rotating cup can illuminate as a lighting device.
Photo Credit: Jiawei Yu