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Curious electronic laser pen how to produce energy

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Curious electronic laser pen how to produce energy

Postby Gino Dennis » Tue Dec 20, 2011 1:12 am

I buy one green laser pointer devices in online store,it's very interesting, I'm curious what can make so little pen to make so much energy to ignite paper. Anybody here can describe it simple for me.Thanks :!:

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Gino Dennis
 
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