Who needs legs? Eufy, Anker’s smart home brand, believes it has solved the problem of how a single robot vacuum can clean multiple floors in your home. Its new MarsWalker robot is equipped with four arms to carry a vacuum between levels, so you don’t have to lug it up the stairs yourself or buy a robot for each floor. However, you’ve now got two robots, so perhaps it’s not really solving that problem.
Equipped with a drive-track system, the MarsWalker acts like a stairlift for your…
