https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3322421Edit ImageSaveSaveEditCropCustom TextBillion-volt atomic particles in Brookhaven Cosmotron, c. 1957. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 948 px | 300 dpiLarge JPEG 3200 x 2527 px | 300 dpiFree DownloadBillion-volt atomic particles in Brookhaven Cosmotron, c. 1957. Original public domain image from FlickrMore