see. Every few years the sun reaches its solar maximum. our magnetic fields are weakening, and in 2012, its another solar maximum, means more solar flares. if one of these solar flares hit us, it will knock out technology [kinda like 2000 epedemic] and the world will be in total chaos. This happened in 1800's but it didnt really affect ne thing cuz there were no computers n stuff. and magnetic fields stronger then