Maik Herodek, section manager of LSG Skychefs, a catering company at Frankfurt Airport, says its hard to create plane food that isn't plain.

CNN: Frankfurt Airport in numbers

This plane was first designed virtually using the same technology that was developed by NASA. Government research helped to create this plane.

WHITEHOUSE: President Obama Speaks On Promoting American Manufacturing and Exports | The White House

And, as Euler's successor, Carl Friedrich Gauss, was to discover, if you plot real numbers on one axis of a graph and imaginary ones on the other, you create a plane that represents both sorts of numbers.

ECONOMIST: Beno?t Mandelbrot