Free smartwatch & lens image, public domain digital device CC0 photo. https://www.rawpixel.com/image/5916394/photo-image-public-domain-black-technologyFree Image from public domain licenseTing Xu, Faculty Senior Scientist, Berkeley Lab, adjusts a 3D printer at Lawrence Berkeley National Laboratory. Xu has… https://www.rawpixel.com/image/11072993/photo-image-person-public-domain-womanFree Image from public domain license