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A place to discuss climate physics

One problem with comment threads on blogs is that they lose the "time-binding" central to human progress: older posts and their comments gradually fade into the background and are, for the most part, forgotten.

A different approach to online discussion is the venerable "bulletin board". There, threads under a given topic migrate to the top of the heap when they are active, and particularly good discussions can be "pinned" so they are always visible. It's still not perfect; lengthy topics are themselves a barrier to newcomers who just want to get the essentials or to oldtimers trying to locate something only partially remembered. But they can certainly be educational and concentrate discussion around a particular topic in a way that's hard to do on an ordinary blog.

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