![]() ![]() The sound that #tornadoes make is frequently described in accounts by survivors as that of a freight train. Combined with three accelerometers and two other gyroscopes, the whole apparatus, called an inertial measurement unit, is able to sense direction and movement in 3-D space. These electrodes both cause the glass to vibrate and measure the changes in this vibration as it is rotated through space. The glass is coated with a thin, metallic coating, which is attached to electrodes at its periphery. Made of very pure glass, the device resembles a Bundt pan. The size of this highly accurate gyroscope is only 1 cm wide. ![]() A new development at the University of Michigan promises a gyroscope that is 10,000 times more accurate but only 10 times more expensive that those found in the typical smartphone. When the GPS signal is lost on an autonomous vehicle, the accuracy of the backup gyroscope system is critical in maintaining the vehicle's heading. However, the accuracy of the gyroscopes used in smartphones is relatively poor, and for the #autonomousvehicle and #drone industry that presents a major problem. The gyroscope in a smartphone detects which way the screen is oriented. Now, a much smaller version of the #gyroscope can be found in nearly every #smartphone. ![]() It's an #invention that was initially used to help navigate rockets and aid in the #navigation of the Apollo missions to the Moon. ![]()
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