NASA's Perseverance took this selfie of itself looking down at one of 10 sample tubes deposited at the sample depot it created in an area nicknamed " Three Forks. " This image was taken by the WATSON camera on the rover's robotic arm on January 22, 2023, the 684th Martian day, or sol, of the mission. (Image: NASA/ JPL-Caltech/MSSS) Tech Briefs, July 2023 www.techbriefs.com 31http://www.techbriefs.com