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 ...

Follow along as we build a DIY drone sailboat from scratch! See the design, assembly, and testing process of this innovative ...

For years, researchers have puzzled over how the ancient people of Rapa Nui did the seemingly impossible and moved their ...