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: ...

The iCraft Team. [Credit: Mary Knox Merrill] Is there anything a robotic arm can’t do? They can juggle balls, manufacture microchips, and crush humanity. Six electrical- and computer-engineering ...