Minuteman Missile Site Tour

The next time you find yourself driving through North Dakota–as my wife and I did back in June—and you’re looking for something interesting to see, I would suggest a visit to the “Ronald Reagan Minuteman Missile State Historic Site”. Located in Cooperstown...
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Dangers of Modern FEA

Hang around any engineering office for more than a few days and invariably you will see Finite Element Analysis (FEA) results. The widespread growth of this technology has put unprecedented analysis power in the hands of engineers to solve problems, however it...
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Why are some stainless steels magnetic?

The term “Stainless Steel” covers a very broad range of materials. They are called “stainless” because of their resistance to corrosion (rust etc.). This corrosion resistance comes from a very thin skin of chromium-rich oxide on the surface, which protects the metal...
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Thin Films and Butterfly Wings

What does an oil-on-water sheen have in common with a butterfly wing? Hint: ….the same thing they both have in common with the colors visible in a soap bubble and the heat tint colors visible on a piece of stainless steel that’s...
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