7th June 2007, 7:58 PM
It's really not the 3D so much as how things are handled in the air and it wouldn't have been impossible, just hard to implement. Blame either laziness or time constraints.
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)