The GyroGlove is a cordless thin-and-light wearable hand stabilizer. It’s powered by a battery, with a tiny integrated controller that drives a precession hinge and turntable, and a responsive gyroscope . The gyroscope isn’t a detector — it’s an effector. And it has to move “silently and reliably at thousands of RPM.” With a motion disorder like Parkinson’s, the impedance of a person’s normal movements is a major detractor from quality of life. That’s why the device has to be so light, and why the ...