Vicki Briely-White moves her body with an interactive exhibit that tracks her moves at the Perot Museum of Nature and Science during a media preview in Dallas, Wednesday, Nov. 14, 2012. The museum set to open Dec. 1 was named for billionaire former presidential candidate Ross Perot and his wife, Margot, after their five children made a $50 million gift in honor of them. (AP Photo/LM Otero)