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K'nex Death Ray

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Published on Aug 31, 2012

This K'nex-supported 60 inch Fresnel lens focuses 9.6 Kilowatts of solar energy onto a point 1/3 of an inch in diameter. I think I can safely say that this is the most powerful K'nex "gun" ever made. If you have any (reasonable) requests for things to try melting, let me know, I may upload a second video later.

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