PARK RAPIDS, Minn. — Robots are making food waste recycling easier for residents in six Minnesota counties. Beltrami, ...

An autonomous robot has been picking up buckets of food waste at Eastern Market as part of an international competition — all without a truck, idling engine or driver. Why it matters: The robot is ...

So the waste problem in 3D printing is really a chemistry problem. Once these materials harden, they’re locked into their ...