A group of 13-year-old students from the Harel School in Lod has made a unique breakthrough in water-filtering technology by using ground pieces of rubber made from scrap car and truck tires. It can be used as a water-filtering solution for developing countries.
http://www.israelhayom.com/site/newsletter_article.php?id=18113
7th-graders make water-filtering breakthrough using tires
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