"Groundbreaking" Ultrasound Device Invented By PhD Student
Ultrasound machines can cost $20,000 or more and weigh 30 pounds, but not George K. Lewis's ultrasound device. Lewis's portable therapeutic ultrasound machine cost him about $150 to make -- 80 percent of which was spent on the battery -- it fits in the palm of his hand, and it can help treat cancer [more...]
Date: 2008-12-23 05:11:45
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