Incoming Message from the Big Giant Head

Originally posted in August 2007.

There was a New Scientist feature last week on Boltzmann Brains. Now I hadn’t heard of these before, and so I thought it may be worth a blog post. A Blotzmann Brain is an intelligent, self-aware entity which arises as the result of a random fluctuation in the entropy of the universe.

I have put this post back on the front page for a while as it has generated some comments since the New York Times ran an article on the same topic (

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