We’ve seen industrial robotic arms in real life. We’ve seen them in classrooms and factories. Before today, we’ve never mistaken a homemade robotic arm for one of the price-of-a-new-home ...

While the shoulder is fixed at the origin, the four segments each have length L i, and are positioned at an angle θ i (with respect to the horizontal axis), for i = 1, …, 4. The response is the ...

Brought to my attention by The Verge, several companies are busy grafting mechanical arms onto their robot vacuums. Robocks' Saros Z70 model has a "foldable five-axis mechanical arm" to "move ...