Hacker News on 28 January 2018

• Strava heatmap can be used to locate military bases
• With teen mental health deteriorating over five years, there’s a likely culprit
• Ikea founder Ingvar Kamprad has died
• I think I found a Mac kernel bug?
• Intel Warned Chinese Companies of Chip Flaws Before U.S. Government
• After Surgery in Germany, I Wanted Vicodin, Not Herbal Tea
• How Schopenhauer’s thought can illuminate a midlife crisis
• ‘Jackpotting’ Attacks Hit U.S. ATMs
• Introduction to OS Abstractions Using Plan 9 from Bell Labs (2007) [pdf]
• ICE is about to start tracking license plates across the US