A big Fresnel lens focuses sunlight to make popcorn.
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Fresnel Lens Popcorn
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Tag Archives: sunlight
Fresnel lens
Now this is HOT. A high quality Fresnel lens melts brick.
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Solar Car
A solar car model for a school project.
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Infrared
These photos were taken with a video camera without and with an infrared filter, seconds apart. Note the change in shirt colour.
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