90 seconds from  catastrophe
 Within a few seconds, electric bulbs dim and flicker,  then become unusually bright for a fleeting moment.
 Then all the lights in the state go out. Within 90  seconds, the entire eastern half of the US is without power.
 A year later and millions of Americans are dead and the  nation's infrastructure lies in tatters. 
 The World Bank declares America a developing nation.
 Europe, Scandinavia, China and Japan are also struggling  to recover from the same fateful event - a violent storm, 150 million kilometres  away on the surface of the sun.
 It sounds ridiculous.  
 Surely the sun couldn't create so profound a disaster on  Earth. 
 Yet an extraordinary report funded by NASA and issued by  the US National Academy of Sciences (NAS) in January this year claims it could  do just that.
 Over the last few decades, western civilizations have  busily sown the seeds of their own destruction.
 Our modern way of life, with its reliance on technology,  has unwittingly exposed us to an extraordinary danger: plasma balls spewed from  the surface of the sun could wipe out our power grids, with catastrophic  consequences.
 If one should hit the Earth's magnetic shield, the  result could be truly devastating.
 Read full at  NewScientist 
