There is described a method 750 for enabling a transporter 120 to navigate stairs comprising: receiving 1251 at least one stair command; receiving 1253 environmental information 651 from sensors 147 mounted on the transporter 120; locating 1255, based on t...

Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In some embodiments of the invention, a liquid purification system is revealed, including the elements of an input for receiving untreated liquid, an e...

There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for supporting the subject. A. ground-contacting module, movably attache...