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Local inventor uses Kickstarter to fuel solar charger business
Joshua Zimmerman isn't a full-time inventor, but that's about to change. The 30-year-old middle school science teacher has raised almost $100,000 on Kickstarter project, the "Folding USB Solar Cell." With 15 days left, the Milwaukee history buff has well surpassed his $5,000 goal to build an inexpensive, easy-to-use, practical, every-day solar USB system.