Do we need a negative leap second?
June 16, 2021
I never thought I’d enjoy a magazine called Popular Mechanics, but I subscribed because I could pass it on to my son-in-law and grandson. However, I’ve become a fan. Not only do they have some good articles on tool innovations, but they also write about unexpected topics.
The May-June issue includes an article titled “The Case for the 59-Second Minute and Why It Could Wreck Us.” We know each day is 86,400 seconds long, except it really isn’t. That number is only an average.
The Earth’s rate of rotation is in constant flux. After 2020 clocked some of the fastest days on record si...