China has set new rules for the world’s first half-marathon that will see humans and humanoid robots compete alongside, in ...

Adding length to a wooden fence post doesn't require professional help. Learn how to use a half-lap joint as an effective solution for your fence project.

Its twin on the other side completes the set. Because they’re simply shafts, half shafts age well, but the joints that connect them on either end in independent suspension vehicles are subject ...