That was my reaction as well. That's the point where I decided to stop wasting my time with the article, which is a real pity given that it's the second sentence.
I used to respect Popular Mechanics as the more technical and less overtly pro–military-industrial–complex cousin of Popular Science, but evidently they've fallen victim to the dumbing down of science too - not to mention the sensationalism, as evidenced by the headline.
I searched "swim-floaty" on DuckDuckGo, just in case it was a dialect thing, and amusingly this article is the first result, and seemingly the only one in the page that uses this exact phrasing.
I used to respect Popular Mechanics as the more technical and less overtly pro–military-industrial–complex cousin of Popular Science, but evidently they've fallen victim to the dumbing down of science too - not to mention the sensationalism, as evidenced by the headline.