https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8736418Edit ImageSaveSaveEditCropCustom TextExhibit "Lighten Up" at the American Museum of Science and Energy Oak Ridge94-167 DOE photo by Lynn Freeny Exhibit "Lighten Up" at the American Museum of Science and Energy Oak Ridge Tennessee 3-24-1994. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGBanner JPEG 1200 x 799 px | 300 dpiLarge JPEG 2119 x 1411 px | 300 dpiFree DownloadExhibit "Lighten Up" at the American Museum of Science and Energy Oak RidgeMore