이게 실용화하기에 결코 간단한 문제가 아닙니다만,
원리를 개발한 것 자체는 참 대단합니다.
Recycling the Electro-magnetic field floating over the city, near every facility using "big current", is a very interesting issue. One of the base technology needed to "magnetic noise to electric energy" transformation so to charge smartphones and others is developed.
