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Biological computing substrates - 02 June, 2007
Ati says
Hello everyone, back again with another weirdest-idea-you'll-hear-all-day.


This one has to do with growing brains in vats and using them to play video games.

I've already mentioned this one before, but as I was looking more at it, I decided that it deserves a thread to iself.

Essentially, the idea is as follows: you take a sample of brain tissue, of reasonable comparitive power to that of human (but probably not exactly a human, to avoid legal ramifications), and induce cancer in it.

The uncontrollably replicating brain tissue grows in a vat of blood (generated by cultured bone marrow, oxygenated and filtered by simple machines, and circulated regularly). As it grows in a cuboid mold, a small needle runs over each neuron in turn, in a grid patterns, sending it selectrical instructions on which neural links to form, either to make very fast logic gates, or to emulate other neurons (for neural research or uploading projects). The result is that you now have a computer capable of handling any logic operation that you can think of.

What would be the advantages to this technique? Well, for starters, the human brain is something on the order of 32,000 times more powerful than the most powerful computer currently created (the Blue Gene supercomputer, chich cost approx. $100,000,000 USD).

This means that a cubic BCU (biological computing unit) a few inches on a side would be the most powerful computer on earth by many, many orders of magnitude. What could be done with one a few feet, or a few dozen feet on a side can only be dreamed of. Also, such a medium (until Moore's Law drives silicon processors to exceed it in affordability and power) would allow for incredibly cheap supercomputers, making many projects feasible that are currently too expensive.

Thoughts? Comments?




Total Topic Karma: 9 - More by this Author
jared.nance says
+1 Karma
I/O?
- Author's History - 03 June, 2007
Ati says
+1 Karma
Well, if you simply programmed the nerve cells to behave like transistors (albeit, very fast, parralel transistors), then you could arrange a system of other neurons to serve as an organizations system to take data sent from a standard computer (possibly a cluster), and transmitted into specific neurons in the BCU via electrodes.

Said neural system would then take the 'progran' being transmitted in, and distribute it among the rest of the processing mass, then collect the data produced, compile it, and send it to a set of listener electrodes, which would feed back into the silicon computer running the show.
- Author's History - 03 June, 2007
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