Was the Apostle Paul Trying to Reinvent the Wheel?

A wheel is round, right? Well .... 

The wheel is a terrific invention, one that has been incredibly popular since its debut 7,000 years ago.

From Sumerian carts to American cars, wheels have kept us moving forward. They are critical to the operation of almost any form of transportation -- planes, trains, automobiles, bicycles and even unicycles. By the way, do you know why unicyclists can always go longer than bicyclists?

Bicyclists are always two tired.

But wheels have a difficulty that has persisted over the years, despite the fact that they keep getting lighter, faster, stronger and sleeker. The problem?

Roundness.

Fold up a bicycle, and how small can you make it? The size of the wheel.

Same for wheelchairs. You might want to collapse a wheelchair and put it in an airplane's overhead bin, but you cannot do it. It doesn't get any smaller than the wheel.

Until now.

Designer Duncan Fitzsimons has reinvented the wheel by creating one that folds. A cycling enthusiast, he began by wanting to invent a smaller, foldable bicycle....