For many years, iPhone Pro models have had a powerful camera technology called LiDAR . This amazing technology isn't just about improving your photos. As it turns out, it's doing far more behind the scenes than I ever realized.

I noticed it when I opened a design app and was prompted to "scan the room." I expected a choppy AR experience. After all, not every AR app can be the best . Instead, I saw a perfect 3D model of my living room take shape in real time. This prompted me to ask myself, "What exactly is this LiDAR device quietly doing in my pocket?"

How LiDAR 'sees' a room

It's a lot more than photo-taking

Short for Light Detection and Ranging, LiDAR emits rapid pulses of invisible laser light and measures how long each pulse takes to reflect back. Because it happens thousands of ti

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