Before you read this article, do me a favor: watch the video below. Because it's going to explain what Google is doing here much better than I could hope to.

Got it? Good. Pretty amazing, right?

For those of you who can't or don't want to watch it, fine, I guess that's what writers are for or whatever! Project Soli is, at its root, a fingernail-sized radar chip and an advanced set of algorithms that interpret the data that the array feeds back into a connected device.

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