121
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 122 posts.
122
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…