Another is the mathematical nature of limits. As a result approaches its limit, the rate at which it approaches slows down so that it never reaches the limit. Therefore, if there is a limit to human performance, we will never actually reach it, just get infinitely close. In practice this means that records will have to become more precise, for example they will be recorded in thousands of a second rather than hundredths. The most disappointing reason is that events are changed so that records can still be broken. An example of this is the javelin in athletics. The record was becoming so large that it was becoming impossible to beat it (in this case the limiting factor was the size of the infield rather than the actual human potential) so the governing body simply changed the specifications of the javelins so they would not fly as far and then the records started over again.
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