See the focal point of a fresnel lens and a parabolic mirror. This is a video from 2008. Youtube allowed the rights of the original 2008 video to be stolen b... | From:GREENPOWERSCIENCE Views:7776 237ratings | |
Time:06:19 | More inScience & Technology |
See the focal point of a fresnel lens and a parabolic mirror. This is a video from 2008. Youtube allowed the rights of the original 2008 video to be stolen b... | From:GREENPOWERSCIENCE Views:7776 237ratings | |
Time:06:19 | More inScience & Technology |
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