Mark Rober just set up one of the most interesting self-driving tests of 2025, and he did it by imitating Looney Tunes. The former NASA engineer and current YouTube mad scientist recreated the classic gag where Wile E. Coyote paints a tunnel onto a wall to fool the Road Runner.

Only this time, the test subject wasn’t a cartoon bird… it was a self-driving Tesla Model Y.

The result? A full-speed, 40 MPH impact straight into the wall. Watch the video and tell us what you think!

  • Ulrich@feddit.org
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    20 hours ago

    Not if you have the following distance to stop

    Maintaining a stopping distance like that is nigh impossible in a dense urban area. You’d be constantly cut off and causing tons of traffic.

        • Laurel Raven
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          8 hours ago

          Okay, random Internet person I’ve never met, you clearly know my driving habits and how things go when I’m commuting better than me.

          • Ulrich@feddit.org
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            7 hours ago

            I know math, so let’s do some of that:

            The braking distance of a typical sedan at 70mph is 210 feet. Add another 70 feet for a reaction time and you’re talking about an entire football field of following distance. And that’s assuming you drive a sedan.

            There’s simply no way you can maintain that in a dense urban environment. Other drivers will cut in front of you like a waterfall. It’s nothing to do with what kind of person you are.