Tamas Rudnai wrote: > On 6 July 2012 00:06, Ruben J=F6nsson wrote: > > =20 >> By that I mean that there must also be things >> that a human brain never ever possibly will be capable of understanding, >> but >> they still exist. >> >> =20 > > I would disagree with that. Few hundred years ago a "human brain" was not > able to understand that Earth is shaped as a globe and that is orbiting > around the Sun. Human brain was not able to understand what (or who) caus= e > the lightenings and what is above the clouds. > > I think we just need to go from one step to another, and today we are > working on understanding sub atomic matters and their physics, maybe 100 > years later we will find components that are building up these quarks and > bosons who knows? The only question in my opinion is if we are clever > enough to do something with the knowledge? Think about Romans who knew th= e > energy of steam, but they did not produce steam engines, did not even > realised the possibilities of it... (http://en.wikipedia.org/wiki/Aeolipi= le) > > Tamas > > > =20 Actually, the shape of the earth has been known since antiquity,=20 although the size was unknown. The size was determined by Eratosthenes=20 about 300 BCE as 24000 miles in circumference. Columbus did not try to=20 convince people the earth was a sphere (they already knew that), he=20 tried to convince people it was 3000 miles in circumference. Had he not=20 run into an unknown continent, his expedition would have been lost, just=20 as almost everybody expected it to be. There is a big difference between what a person CAN understand vs. what=20 a person DOES understand. Kerry --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .