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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47 points

Elon removed the radar. Tesla cars never had lidar. What an idiot Musk.

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17 points

He did say lidar was “useless” though.

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19 points
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He’s said humans don’t use LiDAR so his cars shouldn’t have to. Of course humans have a brain, and he’s cars don’t, but you can’t tell him anything.

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10 points

Human drivers also make automobiles one of the most dangerous ways to travel.

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16 points

He also said the government doesn’t use sql.

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3 points

Bahaha, what kind of a bizarre statement is that?

Was he trying to imply the government only uses spreadsheets and nosql DBs?

Or did he think it was necessary to point out that your average government employee isn’t writing their own SQL to grab data they need?

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9 points
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Tesla had camera+radar+sonar, and that wasn’t their own tech - they used mobileye EyeQ back then. When they switched to in house tech they gradually ditched the radar and sonar which made no sense to me. But at the time I saw their lead say in an interview that this is superior and I believed. not anymore.

they said doing so cut costs but obviously lidar/radar/sonar only gets cheaper over time, let alone the extra r&d costs because a vision only system is much more difficult to develop.

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8 points

It was removed because it was giving false positives. They should have upgraded it with lidar but decided to just remove it.

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9 points

Yeah, it might drive straight into a wall but at least it isn’t returning false positives!

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6 points

It was removed because of supply chain issues.

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2 points

That would make sense if they put it back after, but they didn’t

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