Author Archives: Peter Spitz

Rare earths revisited: Monopoly broken but security issues remain

As readers of my blog know, I have an abiding interest in rare earth metals, since they are such a fundamental source of technology for use in computers, TV and other displays, windmills, medical imaging….the list goes on and on.  As … Continue reading

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Projecting carbon fiber composites for mass auto market: Several factors are involved

This blog has periodically posted articles on the growing use of carbon fiber composites, noting their strength and light weight, relative to steel, and their downside of high cost.  These materials are now in prime use in large airliners and in … Continue reading

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Aircraft biofuel blending becoming a reality

 While there is considerable controversy regarding the Greenhouse gas emission-related benefits of biofuels, a number of air lines, notably United, are starting to use a “natural” jet fuel produced by a process patented by UOP. The fact that this biofuel … Continue reading

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Tidal Power: How close to reality?

Production of electricity from the difference between high and low tide has been an area of interest since for centuries water turbines have turned in many areas of the world to drive heavy wheels used to grind wheat or make gunpowder. … Continue reading

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Finally: Synthetic silk!

Historically, garments and other textiles were made from natural fibers, principally cotton, wool and silk. Of these, silk was the most prized for its strength, dyeability, and smooth, non-slippery texture. But its supply was very limited as it was the product of the … Continue reading

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Ellen Kullman’s big win needs applause

After a long, bruising battle with hedge fund Trian Partners and Nelson Peltz, Dupont’s management headed by CEO Ellen Kullman soundly defeated an attempt by the investment fund to gain seats on the DuPont board with the stated purpose of … Continue reading

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Shell Arctic Drilling: Considerations urge caution

  The Obama administration appears to have given green light to Shell Oil Company to resume its plan to drill in the highly oil-rich Chuchki Sea in the Arctic offshore Northern Alaska. This follows an aborted effort to commence this … Continue reading

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