Theo works days, nights, and weekends in the tulip fields in the Netherlands and never complains of sore muscles.How is this possible?Theo is an artificial intelligence, or AI, robot that looks for diseased flowers each spring.The work prevents viruses from spreading among the valuable plants. The robot looks for troubled tulip bulbs and destroys them if necessary. They are removed from the healthy ones in a processing center after the harvest.There are 45 robots like Theo working in the tulip fields of the Netherlands. Their job becomes important as the winter turns to spring and peak season nears. People come from around the world to see the colorful flowers.Allan Visser’s family has been growing tulips for three generations. This is the second season that he has used a robot. He said it is very costly – the same as a sports car – about $200,000. In the past, knowledgeable farmers would walk the fields looking for tulips that showed signs of sickness.