No such thing!: What do you mean by the phrase "absolute safety" and "proven"? In any area of science we accept that there is a degree of uncertainty in any assertion and we usually state that we believe that such and such is true to within a likelihood of 5% error, meaning that the finding could have been that by chance only 5% of the time. We r still checking Einstein's prediction's 100 yrs out and he's been
Answered 4/30/2016
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