Speech sounds

562-532 thousand years ago

Below are some reflections on language. There will be plenty more in days to come. For a science-fictional take on language, try Octavia Butler’s account of a world where language has disappeared, Speech Sounds. It’s one of her best. It won science fiction’s Hugo Award for best short story in 1984.

We’re now six months through the year 2016 at Logarithmic History. We raced through time at the rate of 754 million years a day on January 1. December 31 we’ll cover just one year per day. Today, June 30, covers 30,714 years, from 562,439 to 5531,726 years ago.

By today’s date, the universe is a lot more complicated than when we started. As we mentioned before, one of the major sources of complexity is the origin of new discrete combinatorial systems, made of small units that can be combined into larger units that have different properties than their constituents. Elementary particles are the first discrete combinatorial system to appear, already present in the early moments of the Big Bang. The different chemical elements are another major discrete combinatorial system. It took billions of years for enough heavy atoms, beyond hydrogen and helium, to accumulate from stellar explosions, allowing the complex chemistry and geology that we know on Earth. It may be that the paucity of heavy elements in the early Universe is what prevented earlier planetary systems from developing complex life.

With the origin of life comes another discrete combinatorial systems, or rather two connected systems: nucleotides strung together to make genes, which code for amino acids strung together to make proteins.

For the second half of the Logarithmic History year, we’ll be spending a lot of time looking at the consequences of another discrete combinatorial system: language. Or maybe, as with genes-and-proteins there are really two systems here: words strung into phrases and sentences, and concepts strung together into complex propositions in a Language of Thought.

The origin of modern human is one of the major transitions in evolution, comparable to the origin of eukaryotic cells, or of social insects. Language is crucial here: ants organize high levels of cooperation by secreting pheromones. Humans organize by secreting cosmologies.


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