The robotic waste bin 自动垃圾桶 At an office in San Francisco, if you drop a coffee cup in a robotic waste bin, the machine will automatically sort the cup for recycling. The office is the first to use the technology, called TrashBot. It's from a start-up called Clean Robotics. The company is trying to solve a problem in recycling. "The idea was really born out of frustration (挫折)," said Charles Yhap, the CEO of Clean Robotics. He pointed to the example of a store like Whole Foods, where anyone who ate at the salad bar then had to figure out which bin to use for their fork, box and cup. "I'll eat my food and go to throw something away. I'm faced with a lot of waste bins, and it's just so confusing. Everywhere you go, the rules are a little different, and I'm still not sure that I'm doing it correctly," Charles Yhap said. Charles Yhap thought that the technology could help. "We started looking at the decreasing costs of robotic components (部件) and the increasing accessibility of AI systems. So we thought maybe we could build something that would do this better than people," he said.