A unicycle with only one supporting contact point on the ground is unstable in both the pitch and roll directions. This paper presents a novel active omni-wheeled unicycle as a new self balancing ...

Roll with it The Fujifilm X half's film roll mode is a bag full of fun, if you have a soft spot for film photography.

Fujifilm's film roll mode that turns off image playback and emulates shooting through a roll of film. (Image credit: Future) The half-frame concept isn’t new. In film days, it meant two vertical ...