In Africa, whether it is clean water or electric energy, it is very scarce. It will be nice to have a few lights in a month. In order to allow the home to be powered up, a 15-year-old Sierra Talent genius Kelvin Doe used his wisdom to create a battery that could be lit. Kelvin Doe was very fond of DIY and inventions since childhood. He was fascinated by the circuit and motherboards. He liked to use these things to produce useful equipment. For example, he could make FM radio transmitters and generators and so on. After KelvinDoe’s genius self-study engineering was spread, he was recognized by David Senegh, a local MIT graduate student from Sierra Leone. David Senegh invited him to visit the MIT campus for three weeks. Paint Brush,Paint Brush Online,Oil Brush Photoshop,Paint Tool Sai Brush Laizhou Chenke trading Co., Ltd. , https://www.chenkegroup.com