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.

If you’ve ever played the claw game, you probably never thought about the scientific applications of that arcade game designed to take your money. But engineers at Harvard University must have. A team ...