Modern Marvels Essentials

The History Channel narrows its focus and shines the light of "Modern Marvels" onto very specific items most people come into contact with on a daily basis. Vending machines, distilleries, the butcher's trade -- all these and more are examined in minute detail. From the rapidly disappearing pay phone to the science of salt and the intricacies of a truck stop, cameras capture the hows and whys of things people may take for granted.