Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,197 posts.

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1181

BSI-001: The Perfect Wall

The perfect wall is an environmental separator—it has to keep the outside out and the inside in. In order to do this the wall assembly has to control rain, air, vapor and heat. In the old days we had one material to do this: rocks. We would pile a bunch or rocks up and have the rocks do it all. But over time rocks…

1196

The Last Lecture

Randy Pausch's famous Last Lecture, titled "Really Achieving Your Childhood Dreams," was delivered in 2007 after a terminal cancer diagnosis and has since become a global phenomenon. A co-founder of the Entertainment Technology Center, Pausch was known for his interdisciplinary work and for creating the ALICE…