3 ms·
The solution is probably a bit like this: http://en.wikipedia.org/wiki/Ballbot http://en.wikipedia.org/wiki/Ballbot
by chrisbennet 12y ago
The solution is probably a bit like this:
http://en.wikipedia.org/wiki/Ballbot http://en.wikipedia.org/wiki/Ballbot
- joezydeco 12y agoMore like this: https://xkcd.com/413/ https://xkcd.com/413/