Modern doctors now have a high-tech complement to the stethoscope. They can buy palm-sized personal ultrasound systems that weigh about half a pound and are small enough to wear around their neck like a stethoscope. The U.S. Food and Drug Administration recently gave Signostics Inc. the green light to begin selling its gear in the U.S. The Australian company uses Analog Devices' AD9245 14-bit ADC to give doctors a high-resolution view of fetal positioning and assess abdominal issues, among other uses. The Personal Ultrasound System awakes from its sleep mode in just one second.
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
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