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| Building nonlethal toothbrush takes know-how |
| By San Francisco Chronicle |
| Published: 05/18/2007 |
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BALTIMORE, MD - Long-standing challenge: how to keep prison inmates from turning their toothbrushes and razors into weapons. Taking it on: Paul Biermann, an inventor at Johns Hopkins University's Applied Physics Laboratory, whose work to date has tended more toward fields such as biomechanics and outer space. Now, he proposes toothbrushes and razors with altered molecular properties. Read more. If link has expired, check the website of the article's original news source. |
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