It can travel up to 40km on a single charge. While similar stair-climbing wheelchairs are already available, many of them ascend with their occupants facing backward, according to the company.

It can travel up to 40 kilometers on a single charge. While similar stair-climbing wheelchairs are already available, many of them ascend with their occupants facing backward, according to the ...

It can travel up to 40 kilometers on a single charge. While similar stair-climbing wheelchairs are already available, many of them ascend with their occupants facing backward, according to the company ...

[Mike Li] is showing of his stair climbing robot. It’s a bot that cruises ... In the foreground, strips of rubber-backed rug add some sticking power to the otherwise smooth surface.