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Home An example of a strain wave gear, also known as a harmonic drive – one of the most expensive types of gears used in high-precision robotics. As the gear turns, the flexible ring inside it squeezes, becoming an oval shape. (NASA/JPL-Caltech) An example of a strain wave gear, also known as a harmonic drive - one of the most expensive types of gears used in high-precision robotics. As the gear turns, the flexible ring inside it squeezes, becoming an oval shape. (NASA/JPL-Caltech)

An example of a strain wave gear, also known as a harmonic drive – one of the most expensive types of gears used in high-precision robotics. As the gear turns, the flexible ring inside it squeezes, becoming an oval shape. (NASA/JPL-Caltech)

An example of a strain wave gear, also known as a harmonic drive - one of the most expensive types of gears used in high-precision robotics. As the gear turns, the flexible ring inside it squeezes, becoming an oval shape. (NASA/JPL-Caltech)

An example of a strain wave gear, also known as a harmonic drive – one of the most expensive types of gears used in high-precision robotics. As the gear turns, the flexible ring inside it squeezes, becoming an oval shape. (NASA/JPL-Caltech)

Bulk metallic glass, a metal alloy, doesn’t get brittle in extreme cold. That makes the material perfect for robotics operated in space or on icy planets. (NASA/JPL-Caltech)