Last week, True Activist published a story about a 15 year old who invented a shoe insole that creates electricity while you walk. His device was a submission for this year’s “Google Science Fair” which features a number of brilliant inventions, many of which were created by teenagers and young children.
Another finalist in this year’s contest is 17-year-old Cynthia Sin Nga Lam from Australia, who also has an invention that creates electricity. Her invention is a water purification system that does not require an external power source, but actually creates electricity of its own.
Further reading - http://www.trueactiv...l-power-source/