In this video I show you how to make robotic arm from cardboard, it's quite fun to plaw with. Especially by moving coca cola cans. You need: cardboard, 8 syringes with rubber piston, old battery, 4 ...

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.