WTF how does she measure 36km/h on the leisurely cycling people? And how does sh... | Hacker News

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		yread 9 days ago \| parent \| context \| favorite \| on: Japan halves speed limit to 30km/h on all narrow c... WTF how does she measure 36km/h on the leisurely cycling people? And how does she measure the 28km/h guy when being so far from the direction he's travelling?
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Mawr 9 days ago [–]

It's probably a device meant for and tested to measure cars, not arbitrary objects. Probably needs to be used in a specific way too.

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