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A comment on Ask HN: Why can't autonomous vehicles solely rely on visible light sensors?.

Re:Ask HN: Why can't autonomous vehicles solely rely on visi... by makecheck on Friday August 25, 2017 @12:30PM (#15099744)
For example, you can bounce it off the ground under the car in front of you to "see" and measure how fast the car in front of that car is moving. That can be used to anticipate collision risks that even the car in front of you hasn't seen yet (and you cannot see with your own eyes).
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