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There has been an 
 search to find sustainable energy sources. One 
 that has thus far eluded scientists is nuclear fusion. Generations of 
 have tried for many years to copy this 
. Scientists in the USA say they recreated the power of the Sun for a 
 of a second. Powerful lasers blasted a tiny 
 to create a reaction that lasted just 100 
 of a second. It created 10 
 watts of power. The power the scientists created is the 
 of 6 per cent of all the energy from the Sun hitting Earth at any given 
.