How to Make Hydraulic Powered Robotic Arm from Cardboard 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: ...

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.

It's an epic story of almost Hollywoodesque proportions: a crippled aerospace engineer, unable to work, fighting against adversity, and while on the edge of financial destitution, decides to build his ...