Fire Lens
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Fire Lens
How can a convex lens is used to start a fire?
This is for my science lab.
The lens should be at least 2 "in diameter. Place the Lenssen to direct sunlight in front of a sheet of paper. Move the lens until the light on paper is a good point. The paper is going to explode flames at that point.
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Tool Logic SVC1B Survival Card Tool With 1/2 Serrated Knife, Fire Starter, Whistle, Compass and Magnification Lens, Translucent Blue List Price: $30.95 Sale Price: Too low to display Used From: $20.33  |
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ATTRIBUTES Carry System: Lanyard Hole Finish: Translucent Blue Includes: Compass 8x Power Lens Tweezer Toothpick Firestarter Ultra-Light Knife Emergency Whistle |
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Oakley Men's Flak Jacket Sunglasses,Silver Frame/Fire Lens,one size List Price: $150.00 Sale Price: $112.50 |
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Own a piece of history by getting a limited edition from the first production run. With a unique serial number to mark its position among 2000 select frames, each Collectors Edition will be one of a kind... |
