Don’t believe us? Let us share these tales of completely forgivable design mistakes that cost lives.

This is a short post, leading you to
An amazing list of man-made disasters that killed thousands, all of which could have been avoided.
de Havilland’s Comet
Have you ever wondered why planes have round windows? I never gave it a thought, but then neither did the designers of de Havilland’s Comet… go figure. Go and read the link; and keep reading, Page 2 too. It will leave you shaking your head.