Hacker News on 15 September 2018

• Show HN: Lunar lander-type game with computational fluid dynamics
• SageMath – Open-Source Mathematical Software System
• In killing Inbox, Google takes another swipe at its most passionate users
• Raytracing a Black Hole
• E Ink Waveforms are a closely guarded secret
• How to be alone: the difference between loneliness and solitude
• Ask HN: How is Facebook's iOS app 491MB?
• My RustConf 2018 Closing Keynote
• Ask HN: How do I choose between a job offer from Google and a promising startup?
• WwwBasic – An implementation of BASIC designed to be easy to run on the Web