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Life, Learning & Writing

The most popular blog posts about life, learning & writing on Hacker News. 8,931 posts.

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2701

Ceiling Air Purifier

Imagine a high-capacity air filter that is extremely quiet and doesn't get in the way. I think I see how to build one; here's a prototype: By putting a fan on the ceiling you can have very long blades. This is important for keeping noise down: the longer your blades are the more air you move at a given rotational…

2709

Ice

Most climate scientists believe that the melting of the ice sheets will be gradual and linear, but are they right?

2716

The Cost of an ACL Injury

A little over a year ago, I tore my ACL playing ultimate frisbee. I made a quick cut to lose my defender, and as I planted my foot to change directions, I felt a sudden pop in my knee. Next thing I know, I’m on the ground because my knee had given out.

2724

Babel is why I keep blogging with Emacs

Every time I look at someone’s simple static site generation setup for their blog, I feel a pang of envy. I’m sure I could make a decent blogging engine in 2,000 lines of code, and it would be something I’d understand, be proud over, able to extend, and willing to share with others.

2727

The story of my home made pipe organ (2000)

As the course progressed, I discovered that some of this stuff was actually logical, and also kind of fun. I found myself using the piano room just to play around. I never cared much for attempting to play sheet music, but the idea of hitting keys and getting a sound that was sometimes harmonious was strangely…