http://www.bioedonline.org/news/news.cfm?art=2531 http://www.bioedonline.org/news/news.cfm?art=2531 Researchers at the Technical University of Denmark in Lyngby

http://www.bioedonline.org/news/news.cfm?art=2531 http://www.bioedonline.org/news/news.cfm?art=2531 Researchers at the Technical University of Denmark in Lyngby have created similar geometric shapes (holes in the form of stars, squares, pentagons and hexagons) in whirlpools of water in a cylindrical bucket.