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Here are some of our favorite recent posts on Hacker News.
Letters between Backus and Dijkstra
Alan Kay joins the discussion.
![Visit the thread on Hacker News.](/images/hn/6_4_16_Kay1-c2838f0b.png)
Alan Kay on the origins of object-oriented programming.
![Visit the thread on Hacker News.](/images/hn/6_4_16_Kay2-f4243c1a.png)
Ask HN: Relationship between OO and functional programming?
Even more Alan Kay.
![Visit the thread on Hacker News.](/images/hn/6_4_16_Kay3-614f0788.png)
![Visit the thread on Hacker News.](/images/hn/6_4_16_Kay4-c7838d67.png)
1916 Guide Shows What the First Road Trips Were Like
HN user takes road trips in a Model A like it’s 1916.
![Visit the thread on Hacker News.](/images/hn/6_4_16_ModelA-d72c7253.png)
HN user reviews little-known sci-fi novel by Ernst Junger.
richardjdare reviews The Glass Bees.
![Visit the thread on Hacker News.](/images/hn/6_4_16_Bees-0f3e71b9.png)
Observing Ultra-High Energy Cosmic Rays with Smartphones
cshimmin, a project lead, jumps in to answer questions about the research.
![Visit the thread on Hacker News.](/images/hn/6_4_16_Cosmic-d8cc52a6.png)
German WW2 code machine found on eBay
John Nagle helps explain the find.
![Visit the thread on Hacker News.](/images/hn/6_4_16_WWII-065ac351.png)
If you experience a thoughtful, surprising or delightful moment on HN, submit your suggestions to us for future HN Highlights via macro@ycombinator.com.