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Fall 2009

Volume 24, Issue 3


If you know where to look, many engines that powered the Industrial Revolution are still alive and well today

By applying an old proven principle—prestressing—to an ancient material—concrete—engineers are building strong, inexpensive, elegant, and quickly assembled bridges

Building a truly useful prosthetic arm remains a major engineering challenge: while new designs show promise, they still can't beat the utility of a simple hook mechanism that dates back to before World War I

From a few notes scribbled on a notepad, Ralph Baer invented a new industry


We hope you enjoyed this essay.

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