Hacker News new | comments | show | ask | jobs | submit login

Not really. You can see a smaller homemade version of the shake light here: http://www.instructables.com/id/Shake-it-like-a-Tic-Tac!/

That could almost fit in a AAA. The capacitor or battery would be the largest part after the magnet/coil mechanism.

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | DMCA | Apply to YC | Contact