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Zapping bricks

I zapped a common red brick with a very powerful beam of light. Here is a picture where you can see the area that was melted. The melted area was actually so hot, it was bubbling! I’m wondering if I should make an Instructable... or is this just too dangerous. OMG anyone??
~Bob~

Zapped-Brick.jpg
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164
Kiteman says: Jun 18, 2012. 11:11 AM
What was this "beam of light"?
4
ShutterBugger (author) in reply to KitemanJun 18, 2012. 12:11 PM
I used a Fresnel lens from a discarded projection TV to focus the sun. It got way hotter than I thought it would. The lens must be the clear kind, not frosted.

You could put a mask over the brick and then melt letters and symbols onto it.

~Bob~
164
Kiteman in reply to ShutterBuggerJun 18, 2012. 1:18 PM
If you can use a mask like that, then you should definitely write an Instructable!
4
ShutterBugger (author) in reply to KitemanJun 19, 2012. 10:12 AM
Unfortunately, only about 10% of the lenses that I find are able to be used in this fashion. The frosted lenses could, however, be used to power a Sterling engine.
164
Kiteman in reply to ShutterBuggerJun 19, 2012. 10:27 AM
There you go, that's another project idea.
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