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Comment by mightybyte | Hacker News Reader

Next up: people start getting into Zuckerberg’s home by holding up a life size picture of Andrea’s face.

I've wanted to test something similar - holding up a giant "Speed Limit: 75MPH" sign when a google car drives by on these little 30mph Mountain View roads and see what happens.

Probably nothing but I can't shake the comical thought of one of those little bugs rocketing to turbo mode while the dude inside is frantically slapping the big red "stop" button.

It hopefully uses it's GPS in combination with the Google mapping data for speed limits along with signage on the road.

Hilarious to think about nonetheless.

UK motorways have varying speed limits communicated via road-side signage. When repairs are being made there are sandwich board style signs that say "dead slow loose chippings" [chippings being small stones] or sometimes they have a 15mph label on a similar sign.

You'd have to guarantee perfect information from road repair crews, at least, if you were going to ignore situational signage.

Probably right, because when I use google maps' navigation mode, it sometimes has a little speed limit sign in the top right corner.

All GPS have speed limits for all road, and they can beep when you go over the speed limits.

The speed is part of the map.

Self-driving cars need to support unplanned changes to the road, such as construction zones.

They currently have a max speed of 25 mph or something, even on roads with faster speed limits. It's a bit annoying when you're stuck behind them.

Isn't that only for the custom-designed Prototype cars? I thought the modded Lexus cars were allowed to drive at highway speeds.

There's gotta be some kind of backup/verification. Street signs get vandalised and stolen surprisingly frequently.

I think he might have anticipated that:

To do this, I installed a few cameras at my door that can capture images from all angles.

I understand that this doesn't necessarily help in itself, but it should give plenty of options for detecting anomalies.

Hopefully that's a sufficient well-known trick to be aware of, given its appearance in 1997's "Fifth Element": https://www.youtube.com/watch?v=nah_3vO0uhM -- Matthieu Kassovitz as the low-tech robber trying to trick the hi-tech security system.

"Nice hat"

Or a small picture close to the camera.

Good point. This technique might also help to combat the multiple cameras.

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