Extreme cold is merciless on machinery. Fluids thicken to useless goo. Rubber seals stiffen and crack. The problems pile up as the temperature falls. Metal becomes brittle, and wires contract.

If you are thinking of building your very own desktop robot arm and were intrigued by the project published yesterday which took you through the process of creating a mini robotic arm using Arduino.

Roborock, a global leader of robot vacuums, has created a new vacuum with a stowable mechanical arm to move things out of the way plus the ability to raise its chassis to clear small steps. These are ...