Titanium is a super strong and light weight metal, and is ideally suited for many design projects ranging from recreational equipment to aircraft. But act now to lock up supplies if you hope to use it to any significant extent in the next several years. Reason: Major aircraft OEMs are securing projected needs through very long-term supply agreements. Boeing, Rolls-Royce, and most recently United Technologies Corp. have all signed long-term commitments to buy the material from major suppliers such as Timet, Allegheny Technologies and Russia’s Vsmpo-Avisma.
At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
Plastic bags can become useful as either raw materials for plastics or feedstock for fuel. It's when they're not recycled that they become a major problem. That's what California's bag ban will prevent.
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