Summer is informationally speaking, a bad date, very bad. In response to heat, the northern hemisphere will join a long sleepiness gives, on the other hand, a perfect excuse for us to escape from the urgent and look back on important issues.
So they are good dates to remember the great and claim their accomplishments and achievements. And if there are some heroes, some genuine heroes and undeservedly forgotten, those are the ones who fought the physics, chemistry and discouragement to create air conditioning. It is for them.
Heat has always been here
And the Egyptians used to reduce heat systems. They are mats or wet carpets used to reduce the temperature and dryness of the houses. They also have, although I could not confirm this first hand, some buildings used a system of ‘accumulators’ and had hollow walls were filled each day with cooled in the freezing desert nights stones. » Read more