Hacker News on 21 September 2019

• Show HN: See a Satellite Tonight. No Telescope Required
• Do It Yurtself
• Why I Write Games in C (yes, C)
• Weld: Accelerating numpy, scikit and pandas as much as 100x with Rust and LLVM
• A website coding itself live
• The effect of meditation on brain structure (2012)
• Anti-union activity is heating up ahead of Google contractor's vote to unionize
• WeWTF, Part Deux
• Show HN: Shiori v1.5 – Self hosted bookmarks manager, now with archival support
• Boeing's Managerial Revolution Created the 737 Max Disaster