The two companies, working independently, are each working on a process use 3-D printing to manufacture some of the more delicate parts of aircraft, according to Technology Review.

FORBES: GE and EADS Are Developing Processes to Print Airplane Parts

But proponents argue that the better visualization provided by the 3-D camera will boost doctors' ability to spare the delicate nerve bundles.

FORBES: On The Cover/Top Stories

"It's one of the best foods in the world for a couple of reasons, and I think it's because it has this very unique trait which is that it is on one side, extremely rich, but on the other, extremely delicate, " Ariane Daguin, the CEO and founder of D'Artagan, a gourmet food company that started 25 years ago supplying Americans with foie gras.

CNN: Foie gras causes uproar