Hacker News on 23 August 2015

• Cat purr generator
• What's new in CPUs since the 80s and how does it affect programmers?
• The New York Times Makes 17k Recipes Available Online
• Up in the Air: Escaping from East Germany
• Twitter has killed Politwoops, which monitored politicians' deleted tweets
• A Ghost Ship Drifting Through International Waters
• Porsche 911: 52 years of staying true to its roots
• A collection of debugging stories
• A Western Kid Living in Communist Poland (2014)
• A Brief History of Intel CPU Microarchitectures (2013) [pdf]