https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/440391Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsInside the Spectrum prototype unit, organisms in a Petri plate are exposed to blue excitation lighting. Original from NASA. Digitally enhanced by rawpixel.MoreInside the Spectrum prototype unit, organisms in a Petri plate are exposed to blue excitation lighting. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFBanner JPEG 1200 x 800 px | 300 dpiLarge JPEG 3500 x 2333 px | 300 dpiBest Quality JPEG 5760 x 3840 px | 300 dpiBanner TIFF 1200 x 800 px | 300 dpiBest Quality TIFF 5760 x 3840 px | 300 dpi | 126.6 MBFree Download