Changes to Step #13
Edit by Jeff Suovanen —
Edit approved by Jeff Suovanen
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[* black] Time for another Science with iFixit! | |
[* black] So, just how does the Fire Phone know where your mug is in relation to the phone, thus creating that fancy 3D effect? | |
- | [* black] There |
- | [* black] There |
+ | [* black] There are four [http://en.wikipedia.org/wiki/Infrared|IR] projectors, one near each corner of the phone. They're blasting you with non-human-visible infrared rays any time you're staring at the phone (and the display is on). |
+ | [* black] There are also four IR cameras capturing this information—one at every corner of the phone. |
[* black] The Fire Phone ~~triangulates~~ rectangulates your position, figures out that there's a human face looking at the display, and starts doing its wonderful joojoo magic — all in real time. |