Hacker News on 21 November 2018

• Silent and Simple Ion Engine Powers a Plane with No Moving Parts
• Thinking About Thinking (1999)
• Amazon admits it exposed customer email addresses, but refuses to give details
• Why Aren't There C Conferences?
• Slow Software
• Ask HN: Have you ever regretted working on a product?
• A list of practical projects that anyone can solve in any programming language
• Superintelligence: The Idea That Eats Smart People (2016)
• Learn Git Branching
• Amp – A complete text editor for the terminal