Cooling is more than a luxury. Nowadays it is a necessity. Without refrigerated shipping and stocking, fresh food wouldn’t reach our supermarket so easily. Can you imagine living without it? Before the invention of the refrigerator, icehouses were used to provide cool storage for most of the year. To cool our food and beverages, blocks of ice were simply cut out of frozen lakes and shipped to far and beyond. The so-called ‘ice-industry’ came to its end when, in the late 1900s, our waters became too polluted to serve as a cool preserving agent. Air-conditioning, on the other hand, was actually invented to control the humidity that was ruining the paper of printing offices, rather than the technology being used to cool you off. The quirky part is, you can’t create cold