People, Prosperity, Planet Competition (IMAGE) Michigan Technological University Caption Crash course in old-school mining tech showed students a cheap, easy way to recycle lithium ion batteries. Credit Lei Pan, Michigan Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.