The human body is a machine whose many parts—from the microscopic details of our cells to our limbs, eyes, liver and brain—have been assembled in fits and starts over the 4 billion years of our ...

Seeking to both entertain and enlighten the crowd while providing them with sweet, sweet candy, [Bob] was able to quickly knock together a claw machine using mainly parts he had on hand in the shop.

Size reduction offers processors the ability to enhance recycling efficiency. Some opt for low-speed meter-fed granulators that tackle sprues, runners and small parts. Others choose high-speed ...