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I just saw what looked like a normal bicycle drive around the a block a few times without a rider. There was a clear plastic box with some electronics, a motor on the back wheel and something connected to the handlebars (presumably some servo mechanism), and a person briskly walking next to it with some gizmo in their hand, but at a few paces distant and not touching it.

It could turn a fairly sharp corner at speed, with a radius of perhaps 3 meters.

There were some packs that could be weights and/or batteries near the seat as well.

Is this unusual or particularly challenging or a just-recently-solved engineering challenge, or is this well known and oft-repeated feat?

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  • $\begingroup$ I need help with tagging, thanks! $\endgroup$ – uhoh Sep 15 at 13:50
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    $\begingroup$ youtube.com/watch?v=nzTxuI37ZF0 $\endgroup$ – Rory Alsop Sep 16 at 12:51
  • $\begingroup$ @RoryAlsop excellent, yes that's it!.. except a street bike at a fast walking pace. I think with the low speed and higher center of gravity it gets more difficult, which is why I felt it was so remarkable, which is why I thought I'd ask here. Thanks for the link! $\endgroup$ – uhoh Sep 16 at 14:15

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