How To: Start a fire in the wilderness by using a Fresnel lens to magnify sunlight

Start a fire in the wilderness by using a Fresnel lens to magnify sunlight

The more ways you know to start a fire in the bush, the greater your chances of survival. This video will show you how to use a Fresnel lens, a specialized magnifying glass, to magnify sunlight and start a fire. A more refined application of the magnifying-glass-melting-ants-on-the-sidewalk principle.

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