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1. Would it be possible to improve ultrasound "stethoscopes" by using a multiple "ultrasonic beam" head and use software to produce a more detailed picture of internal body structures (possible by using different frequencies, strengths, bursts or longer scans, etc.) and piecing together an even more detailed picture of the human body?

2. The computer info is best if it can be used portablyby a doctor in the field, I think - on a portable computer slate w/keyboard? Super Blackberry? Tricorder, anyone? It won't be long.