Scientists have developed a new system that can let you imagine how you would look with a different hairstyle and colour, or in another time period, age or country. After uploading an input photo, you type in a search term — such as “curly hair,” “India” or “1930s,” researchers said. The software’s algorithms search Internet photo collections for similar images in that category and seamlessly map the person’s face onto the results, they said. The system called Dreambit developed by researchers from University of Washington in the U.S. lets a person imagine how they would look with a different hairstyle...