If we could easily change the duration of a second, I'd see little argument for why we wouldn't do that. Some of these solutions are easier than others. Amusi

If we could easily change the duration of a second, I'd see little argument for why we wouldn't do that. Some of these solutions are easier than others. Amusingly, these difficulties aren't static, either. Easy to argue that before rail and modern time pieces, what you are talking about is exactly what happened when people were using solar clocks.