Robots may beat drones in race to deliver packages By Carolyn Said Updated 7:53 pm, Wednesday, April 6, 2016 Forget flying drones. When it comes to predictions on what sci-fi method might bring you hot pizza, aspirin, groceries or new shoes, some experts bet that delivery robots rolling down sidewalks will beat out airborne couriers. Getting your purchases to your front door — the “last mile” challenge — is an obsession throughout the multibillion-dollar logistics and e-commerce industries. While Amazon, Google and Walmart pursue flying delivery drones, some much smaller companies are quietly working on simpler autonomous solutions anchored on...