Fresnel lens solar cooker using TV lens
Solar cooking using my fresnel lens solar cooker made using a 2'x4' fresnel lens from a rear projection TV. I show it cook minced pork, burn a leaf within seconds and how to find the focal length
How Educational Learning Toys Help Kids Thrive
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How Educational Learning Toys Help Kids Thrive Educational Learning Toys:
Parenting is a full-time job that takes your maximum effort
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