Authorities in the capital of South Korea made a gift to the people of the capital. They set up on the banks of the creek Chongechon city, passing right through the center of Seoul, hydropower for charging smartphones and tablets.
Previously Chongechon was a natural river, passing through the territory of Seoul. However, the active economic development of South Korea, which began after the end of the Korean War, led to the mass building of the capital. Chongechon had to cover road highway.
In 2003, began a large-scale project to restore the river in the form of an artificial stream, and in 2005 it was completed. Now the 11-kilometer Chongechon became a magnet for business and is popular with locals and tourists alike, writes Naked Science .
Creek to increase the attractiveness of the city and improved its environmental conditions, but now the government of Seoul found him another useful application - to satisfy energy-hungry electronic gadgets.
This was achieved by setting on the banks of the creek three compact hydropower stations for public use, which can be used as a charger.
Each generator delivers power of 15-20 watts. To fully charge with the help of iPhone, will take about two hours, and if you connect to the hydraulic iPad, it charged for 5-6 hours.