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Tiny laser gyroscopes: awesome, though still need work

2 monthes ago   |   By Ars Technica

Enlarge / Laser based gyroscopes can get rather large-even ones we send to space.
The modern smartphone is only possible because of sensors. Their svelte form factor conceals accelerometers, magnetometers, temperature sensors, a GPS unit, and gyroscopes. They all consume volume and power, meaning that each sensor, even as it makes your phone smarter, induces battery-sucking anxiety.
Which makes a report of a very tiny laser gyroscope pretty interesting, even if it still has a way to go before being found in your cellphone. Laser gyroscopes are pretty much the "if only" of tiny sensors...
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