Reddit discussion:<p>"Problematic Second: How the leap second, occurring only 27 times in history, has caused significant issues for technology and science."<p><a href="https://old.reddit.com/r/programming/comments/1dst1ii/problematic_second_how_the_leap_second_occurring/" rel="nofollow">https://old.reddit.com/r/programming/comments/1dst1ii/proble...</a>