Photon SievePhoton sieves like this are cut from a single wafer of silicon or niobium to focus extreme ultraviolet light - a difficult wavelength to capture.Image Credit: NASA / Christopher Gunn Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/dennis231114-00003-copy/Copy URL to clipboard> DownloadShareTagsGoddard Space Flight CenterTakenNovember 14, 2023Image CreditNASA / Christopher GunnSize6603x5055px