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I am curious how these sensor arrays deal with being in proximity to each other. Most of the technologies that measure/map depth are susceptible to interference from other transmitters.

Can these systems operate properly with only visible light cameras?

Infrared Interference (XBOX Kinect): http://www.reddit.com/r/xboxone/comments/1qy2lk/can_you_have...

Radar Interference: https://en.wikipedia.org/wiki/Radar_jamming_and_deception#In...

LiDAR Interference: http://www.aiqus.com/forum/questions/22373/using-multiple-li...

Maybe at some point, the cars get to talk to each other when they detect proximity to another self-driving car. Then they can negotiate either time slices for sensor use, or even sensor data sharing.

OTHO, the thought of untrusted cars meeting up on the streets and forming a mesh network to exchange vital information is really scary.

Book recommendation: Daniel Suarez, Daemon and sequels.
Having to abort a lane change because another car is passing you sounds more like an everyday driving occurrence than a "close call".
But...but...how are the media gonna raise fear about these things then?
This will obviously happen at some point.

But the Reuters story is a little "just-so" for my tastes.

The apparent (prompted?) question is: why is the Google car programmed so poorly that it decided to cut off the Delphi car?

But my question is: with all those sensors in the Delphi car, why is the Delphi guy telling his story to the media instead of either a) sharing data with Google, like a professional, or b) posting video on YouTube (ok, Vimeo) like a viral marketer?

Or why did the Delphi car try to change lanes when another car was approaching ? There really isn't enough information in this article to conclude that anything ontoward or unexpected happened at all. Maybe it did and that just wasn't well communicated, I don't know.

It would be nice if one or both companies published full details of the encounter so that the public could come to a better understanding of what the current capabilities of self-driving cars actually are.