Human produce plenty of kinetic energy while going to work or home. The energy had been wasted because they are not probably collected.
Back in 2009, an experiment had been conducted to collect the kinetic energy by installing the hatsudenyuka floors at the busiest train station in Tokyo. The hatsudenyuka floors collected pressure and vibration of commuter footsteps and transformed it to energy to light up the station. Imagine how much electricity can be generated in a station system with over 10 million passengers! Young inventor Kohei Hayamizu, East Japan Railway and other investors had successfully brought the kinetic energy’s dream to a practical level and use it in daily life.
More about the electricity generating floors: http://ourworld.unu.edu/en/lets_generate_electricity_by_walking/
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