If you're trying to lift something heavy, a jack can be incredibly useful, if not necessary, but do you need a screw jack or ...

In this video I show you how to make powerful hydraulic press. You need wood, 4 syringes, pipes and glass with water. All ...

How to Make Hydraulic Powered Robotic Arm from Cardboard In this video I show you how to make robotic arm from cardboard, ...