Flying robots have some big advantages over their ground-going counterparts, but they're definitely not very energy-efficient. An experimental new bot addresses that tradeoff by using a wing-assisted ...

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 ...