A student found this light ray simulator to test the reflection on sunlight into his solar oven design. #teach180 http://pic.twitter.com/gDo4QQE20T
— Susan Pienta (@MsPienta) September 18, 2017
A student found this light ray simulator to test the reflection on sunlight into his solar oven design. #teach180 http://pic.twitter.com/gDo4QQE20T
— Susan Pienta (@MsPienta) September 18, 2017
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