Apple includes privacy indicators in the upper-right corner of your Mac’s display to indicate when critical hardware is in use. An orange indicator means your microphone is in use, while a green ...

Apple's autocorrect on iPhone and iPad always aims to help when you're typing a message, but it's by no means perfect, and some of the replacements it continually spews out can be frustrating.

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The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.