How to Melt Glass From Sunlight
Melting glass is a great way to put your recyclable glass containers to good use. All you really need to melt your own glass is access to the sunlight and a Fresnel lens to help focus and channel the heat energy from the sun. Using this method, you can create a "hotspot" of up to 3,000 degrees Fahrenheit, which will most certainly melt glass.
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Instructions
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Choose a spot outside where there tends to be plenty of sunlight throughout the day.
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Focus your Fresnel lens on the glass you want to melt.
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Refocus the lens as the day progresses (and the sun moves) to make sure you are melting the glass at an optimal rate.
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Tips & Warnings
Always move the Fresnel lens before trying to grab the melted glass, as the temperature is dangerously hot.
