When I first heard someone mention the term dolphin kick, I thought it was a reference to the 1980s Patrick Duffy show, Man from Atlantis. The BBC says the dolphin kick “replaces a standard underwater leg kick with a whipping motion that minimizes water resistance.”1 It’s a little easier to make sense of this if you watch the video. Suffice to say, if it’s done correctly, as has been used by Michael Phelps[3,5], it confers an advantage to the swimmer. ...
I’ve been researching date/time formats for inclusion in a software product, and wanted to share some of the thought processes involved.Use case: an engineer or scientist wants to plot something over some time period. All time periods are possible, so we must provide years down to minutes. For example, a coastal engineer surveyed said he: “visualizes the results of the global wave prediction models we run. I am typically dealing with long term (20 – 40 year) datasets of hourly to sub-hourly model data.” ...