My guess: a flywheel inside the ball to keep it stabilized, along with a motor a... | Hacker News

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		jasonostrander on April 16, 2015 \| parent \| context \| favorite \| on: Here's BB-8, the Adorable Rolling Droid from Star ... My guess: a flywheel inside the ball to keep it stabilized, along with a motor and series of magnets to move the "head" around.

ralfd on April 17, 2015 [–]

Sure, but how exactly? If I hadn't seen the video I would have guessed a practical prop impossible.

Mashable has an article about it, but they too have some hand-wavy-magnet explanation.

http://mashable.com/2015/04/16/star-wars-bb8-technology/

Too bad there is no discussion on hn or reddit about the workings.

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