The article has since been corrected. > it produced four times more power per area than the previous French team’s >*Correction, 6 December, 11:30 a.m.: This

The article has since been corrected. > it produced four times more power per area than the previous French team’s >*Correction, 6 December, 11:30 a.m.: This article has been corrected to accurately reflect how many homes a blue membrane could power and how much energy per area it produces.