February 8, 2019 updates Posted on February 8, 2019June 28, 2020 by Doug Loss NASA’s Webb Is Sound After Completing Critical Milestones https://svs.gsfc.nasa.gov/12552 Free Vibration and Buckling of a Stripped Solar Sail https://arc.aiaa.org/doi/full/10.2514/1.A34342 Machine Vision and Deep Learning for Classification of Radio SETI Signals https://arxiv.org/abs/1902.02426