"She blended in - there was no ‘Kitty's world,'" "Oppenheimer ... if she had a build-up of color. Back in the day, women tried to cover up gray by coloring their hair regularly, not knowing ...

Director Christopher Nolan's three-hour bio-thriller "Oppenheimer" opens with a flurry of scenes bouncing back and forth between black-and-white and color. Upon first watch, it may be a bit ...