Technology turns farming into a career young workers like

On a farm in Phoenix, one person with an iPad can weed a field of vegetables that once required 20 workers on their hands and knees under a hot sun.

The Duncan Family Farms employee controls the LaserWeeder, an AI-powered machine created by tech start-up Carbon Robotics, that attaches to the back of a tractor. It identifies and eliminates unwanted weeds with a laser, illuminating the ground like a flickering Xerox machine as it crawls over carefully planted fields.