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!

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177 points

Was just thinking this

A single LiDAR sensor prevents this kind of issue

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17 points

I’m trying to find an article that covers what I remember but I know for sure that it’s been a good while since I saw the info I recall. Hopefully I can dig something up.

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46 points
17 points

That might actually be the exact article I’m thinking about. Thanks!

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14 points

Indeed there is a lidar car in the video and it works way better in many scenarios.

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5 points

Even RADAR prevents this and the cars had RADAR! They started disabling RADAR for the older cars since the new ones don’t even have the hardware installed.

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