Amazon hopes more robots will improve worker safety

Amazon is once again betting that robots will improve safety at its warehouses. The online shopping giant has offered looks at several upcoming bots and other technologies meant to reduce strain on workers. The company is testing a trio of autonomous robots to carry items with little intervention. "Bert" can freely move around a warehouse carrying carts and goods. "Scooter" (above) carries carts like a train, while the more truck-like "Kermit" hauls empty tote boxes using magnetic tape and tags to shape its path.