World's thinnest Christmas tree created at DTU dtu.dk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dtu.dk Daily Mail and Mail on Sunday newspapers.
At only a third of a nanometre thick, the tree is 5.5 inches (14cm) long but 30,000 times thinner than kitchen film, report experts at Technical University of Denmark in Kongens Lyngbym.