If this sounds like an unlikely historical timeline, don’t worry, it’s not. This glance back at history begins with the Greeks, who not only gave Western civilization democracy, medicine, astronomy, mathematics, philosophy and the Olympics, but also pioneered warm winter nights by inventing the first central heating system. Let’s begin at the sacred Temple of Artemis, built in tribute to the Ephesian goddess of fertility. At least twice the size of the Parthenon and one of th