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unixronin: Galen the technomage, from Babylon 5: Crusade (Default)
Unixronin

December 2012

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Monday, March 19th, 2007 03:50 am (UTC)
I don't have a horse in this race. Dark matter makes sense to me in many ways, how it is distributed is not affected by my bias.

The model question is crucial. We use models to predict findings. (Seems like the DMC folks have forgotten that, but so have the FSC group.) Models also answer certain questions, often mathematically, that used to stump us. Without going back and reading, I don't remember the list of stuff that the DMC folks were able to put to rest with their model, but I remember it being some fundamental observations. That caused many people to buy into that particular model. I don't necessarily condemn them for not throwing away a working model without even seeing the mathematical implications of something new. It will take time to chew over the newer stuff.

As an example, chemists still use the Bohr model of the atom. It only works for Hydrogen, but it is such a useful model to teach and understand that it would be foolish to abandon it, even though it is wrong.

I remember hearing many years ago that science changes one funeral at a time. That is more true than anyone would ever care to admit. The only way to slay the old dragon is with a bigger and better dragon. It does get ugly at the edge of knowledge.

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