Neil Armstrong's LM PPK contained a bit of wood through the Wright brothers' 1903 Wright Flyer's remaining propeller as well as a bit of cloth from its wing,[81] in addition to a diamond-studded astronaut pin at first provided to Slayton because of the widows of the Apollo 1 crew.“Using the Arm Cortex-M4 processor and Arm Artisan Bodily IP enabl