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Originally posted by TheLieWeLive
I plan to do it with a fresnel lens I got off of an old rear projection TV. They used them for the screen magnification.
Here is an example of how it works.
This is just one thing you can do with the lens. I got a rock in my yard to over 995 degrees Fahrenheit, as high as my temp meter measured, in less than a minute using this lens.
It's not as pretty as the kettle but it works also. You can even cook with it.
What happens when the fuel runs out?
Originally posted by Gazrok
reply to post by LibertysTeeth
What happens when the fuel runs out?
Wood? Been working for thousands of years....
I plan to do it with a fresnel lens I got off of an old rear projection TV. They used them for the screen magnification.
Originally posted by TheLieWeLive
I plan to do it with a fresnel lens I got off of an old rear projection TV. They used them for the screen magnification.
Here is an example of how it works.
This is just one thing you can do with the lens. I got a rock in my yard to over 995 degrees Fahrenheit, as high as my temp meter measured, in less than a minute using this lens.
It's not as pretty as the kettle but it works also. You can even cook with it.