You’ve seen fireballs that race parallel to the ground instead of going up, plus a lot more unbelievable images that Hollywood manages to make believeable.

Popular Science looks at “a few of cinema’s most mind-boggling moments of scientific inaccuracy—plus a few rare films that manage to get things (mostly) right.”

Then there are Hollywood morals, which boils down to “if they’re your friend, only stab them in the front.”