Our guest this week is DL Cade. DL is an art, science and technology writer, and the former Editor in Chief of the photography blog PetaPixel. When he’s not writing, he works in the Neitz Lab at the University of Washington, studying color vision. You can find DL on Twitter and Medium @dlcade. For show notes visit: http://kk.org/cooltools/dl-cade-former-editor-in-chief-of-petapixel/