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1-19-2009 8:53 AM
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1-19-2009 2:36 PM
Communicator
Fascinating article! Who knew saccharin came from coal dust?
1-22-2009 12:05 AM
waykendude
How about the ships propeller. While testing an Archimedes screw type propulsion the front part broke off leaving the largest blades, as a result, work better.
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