Watch: Make a Parabolic Mirror From a Space Blanket

   10.11.17

You probably want a parabolic mirror, although you didn’t know it until now. Turns out, they are pretty cool, and they make pretty good fire-starters when the sun is shining.

This guy makes his using a cheap space blanket, some PVC board material, and a few other odds & ends. The coolest thing was that he used nothing but compressed air to form the curve in the shiny Mylar surface.

He first tried Great Stuff expanding foam; results weren’t great.

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Fiberglass followed, with more success… but you can be sure that when he talks about how he made it using just a $1 space blanket, he spent a heck of a lot more on materials… especially the fiberglass. But hey, who’s counting?

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In the end, he can use his creation to set stuff on fire, plus make money from people like us watching him do it. Now that sounds like a win-win.

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