NASA Perseverance will pack detective tools called 'Sherloc' and Watson

NASA has equipped its Mars rover Perseverance with two tools named after a popular fictional duo. Called “Sherloc” and Watson, each tool is part of a system that will enable NASA to investigate Mars rocks as small as a grain of sand. Sherloc is located on the rover’s robotic arm; it includes a laser and spectrometers that work alongside the …