This Minecraft tutorial shows step-by-step how to build a Viking-style boat. The design features a wooden hull, sails, and ...

This group of insects has the ability to walk on top of water, using surface tension and long, hydrophobic legs. For decades, roboticists have tried to emulate this impressive ability. Building ...

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 ...