Its thinness, too, gives it unusual electrical properties.One of these is that if it is placed in a magnetic field it exhibits a phenomenon known as the relativistic quantum Hall effect.

Roseanne Mirabella, PhD Associate Professor at Seton Hall University. She is the top nonprofit management education researcher in the field.

The hall itself was as long as a football field, lavishly furnished with statues, fountains, colorful inlaid marble and a gilded bronze ceiling.