Autonomy is all about redundant sensing—cameras to see things, radar that knows how far away those things are, and lidar that both sees and measures distances to fact-check the other sensors. Lidar is ...

The iPhone is well known for its excellent camera. You may have noticed a black dot near the lenses and wonder what it is there for and what it does.

Have you ever noticed a small black dot next to the camera on some iPhones and wondered what it does? Even many long-time ...