Your Apples May Soon Be Picked By Laser-Shooting Robots

A bowl of salad is a beautiful collection of human ingenuity. The lettuce requires its own specialized agricultural process, as do the tomatoes, as do the garbanzo beans. Then comes the simple act of pulling these ingredients out of the ground, a challenge our dextrous human hands complete with ease. This is why roboticists are creating crop-specific machines to harvest fruits and veggies. There's the robot that harvests lettuce with a knife made of water.