Sometimes publishers and authors decide it’s easier to retract a paper than leave it up for discussion by other scientists.
That seems to be the case here: The authors of a paper in Langmuir retracted it in September for a math mistake, but not before the journal refused to publish a comment criticizing the publication.
Here’s the notice for “Drainage of a thin liquid film between hydrophobic spheres: Boundary curvature effects:” Continue reading Is it better to retract a paper, or publish a letter calling the conclusions “unphysical?”