How do devices like phones or ipad know which way is “down” for them to auto rotate?
In: 13
Imagine a tiny box made of silicone. Then imagine that you carve away some of the box to leave a hollow section that has a long stick jutting into it. Like a hair or a toothbrush bristle. When your phone turns to the side, the little hair drops down and touches the side of the hollow section, and that little touch lets your phone know it is turned to that side.
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