First Design with LWHS's CNC Plasma

After working out some high frequency interference issues, we have the Tourchmate CNC Plasma up and running.  Very easy .dxf file export from Illustrator to the CNC control software.
I only have 100 projects floating around in my head now.

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Green Illusions

In preparation for the Spring Sustainable Energy course, I'm reading Green Illusions by Ozzie Zehner. After only three chapters I'm questioning multiple sustainable energy systems. The biggest shocker is the section on the politics and inefficiencies of ethanol.  Lots here for class discussion. Recommended. 

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