05/18/2010 05:12 am ET Updated Dec 06, 2017

Prince Charles Models 3-D Glasses (PHOTO)

Prince Charles, Prince of Wales wears 3D glasses as he visits the Hungarian Academy of Sciences on March 18, 2010 in Budapest, Hungary. Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall are on a three day trip to Hungary as part of a tour of Eastern Europe that takes in Poland, Hungary and the Czech Republic. (Photo by Chris Jackson/Getty Images)