this is an overly cynical take. headlines are brief by necessity. nobody would read that and think that a curved line from A to B is shorter than a straight line between the same points.
the first paragraph explains it,
> these wavy walls actually use less bricks than a straight wall because they can be made just one brick thin, while a straight wall—without buttresses—would easily topple over
the first paragraph explains it,
> these wavy walls actually use less bricks than a straight wall because they can be made just one brick thin, while a straight wall—without buttresses—would easily topple over