The Science of Murphy's Law!
Is it true that things
will go wrong if they can, or is it just our selective memory of screw-ups? A study published in Scientific American a few years ago shows that
the universe is actually out to get you! Robert Matthews' research showed that in most cases, there are scientific reasons why things seem to go wrong. For example, the classic story of toast falling buttered side down - apparently that is because the table is too low to allow the toast to spin completely on its way down. And yes, the lines near you at the supermarket are more likely to get to the cashier's counter.
What about the flipping of a coin? It seems that it is not completely unbiased as assumed by mathematicians and everyone else for centuries.
Research at Stanford has shown that if you flip a coin, it is more likely to end up with the same side up as the one you started out with. The bias isn't too strong, but it helps to know that at least 51% of the time, the coin will land heads if you start out heads.
If you want to have a surer way of predicting the way a coin will land, just stand it on the edge and spin it - When the coin wobbles and comes to rest,
it is more likely to end heads up!
Now you know what to do when it is time to settle that argument...
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