Declining sales of stainless steel kitchen appliances are triggering a freefall in nickel prices. Tags have dropped 30 per cent this year, and some traders say prices will drop another 25 per cent by the end of the year. That’s despite announcements of several mine closings: Xstrata in the Dominican Republic. BHP Billion, and Industrial Metallurgical Holding. Nickel producers are getting hit with a double whammy of lower prices and higher costs for sulfuric acid, which is used to extract nickel ores. Refrigerator sales are off 9 per cent this year and electric ovens are off 14 percent.
NASA and Boeing developed a huge, carbon composite cryogenic fuel tank for deep space missions, and started testing it last month. The 18-ft cryotank will enable heavy-lift launch vehicles to send both humans and robots into deep space.
German engineering firm EDAG Group showed a single-piece, 3D-printed car body design inspired by a turtle at the Geneva Motor Show. It came about after an assessment of how additive manufacturing could be applied to making industrial components, modules, and complete vehicle bodies.
Some of the biggest self-assembled building blocks and structures made from engineered DNA have been developed by researchers at Harvard's Wyss Institute. The largest, a hexagonal prism, is one-tenth the size of an average bacterium.
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