GE's "Superman" Blue Arc Machine Cuts Super Speedy Metal Blades [Video]

The fins of an engine turbine usually take days to finish. GE's new Blue Arc machining gear does it in hours. How? Instead of just drilling away metal with a harder material, it's scorched off with an electric blast. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/N1-2uMKlg6Y/ges-superman-blue-arc-machine-cuts-metal-blades-in-just-hours

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