The BBC's Sherlock (July 2010-) uses a novel visual trick to show the contents of an SMS message directly on the television screen, so we can all read it without having to look at a dull phone screen. ...
So, Hollywood really likes to make scientists and mathematicians write on plexiglass (or mirrors, or windows, or other transparent or reflective surfaces). Presumably it's so they can get shots like ...
I am not searching for a specific movie I have seen, hence the question may be vague or a little off-topic (hopefully not too far). I am searching for the original movie (or source, maybe even in ...