A hike on the moon
February 11th 2006 Hola all.
I wanted to start by putting down a thought I have had recently about travelling, although it takes a little background information to make sense.
In cognition there is a division between bottom-up and top-down "information flow" in the brain. Basically this is the difference between information, like sound waves hitting your ear drum or light rays hitting your retina, going towar
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