Green Sidewalk Makes Electricity
In London, England they are making paving slabs that makes energy by peoples footsteps into electricity. They are going to be put to help power Europe's largest urban mall, at the 2012 Olympics site. The slabs are made of recycled rubber. These slabs get energy by the footsteps of people, and then it sends tiny burst of electricity to nearby appliances. The slabs can hold energy up for three days in any appliances. When you are charging an appliance an LED light will light expressing the energy transfer.
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