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In our century, physicists have become interested in a great thing - a central accelerator, a magnet, a field of hundreds of thousands of fields, a quantum electronics device. Only by building a huge camera to observe processes in the microcosm can physicists penetrate data into the essence of natural phenomena. But not so long ago, at the beginning of our century, the physicist himself built small installations, shrunk on his table and made great discoveries. The atomic nucleus, radioactivity, RENTen rays, radio waves - all this was discovered in the 19th century with the help of simple means that were at the disposal of the natural body. What if the data is still missing? It’s hard to believe now that in the 18th century even the royal doctors could not communicate with each other about the king’s pulse rate, since their clocks ran differently. Nobody measured blood pressure or even just body temperature. The appearance of the thermometer caused no less enthusiasm then than the discovery of the laser today. This is how excited Reaumur wrote about this invention in 1730.
Y. A. Smorodinsky
“ON THE CONSTRUCTION OF THERMOMETERS”, 1730
Reaumur
The thermometer, without a doubt, is one of the wonderful inventions of modern physics, which in turn contains a lot of significant information. He provided us with more interesting knowledge that would have been inaccessible without his help. How could we, in many cases, without a thermometer, know that a liquid (some) mixed together is heating up? Without a thermometer, we would never have discovered what cooling occurs during the dissolution of known salts, and also in what cases this cooling is most pronounced. Nor could we know that one piece of ice could be colder than another. Nor could we discover that boiling water has a temperature above which water cannot be heated at all (at normal pressure).
All physicists know that with a thermometer in your hands you can carry out countless experiments. But this device requires more than one physicist; Its use is not limited to laboratories - we usually know from a thermometer what the air temperature is…
Doix por (i.e. before 1730) thermometers were almost never used to determine the coldest and hottest in different climates - questions of the greater half and intersas. Meanwhile, in this way it is easy to find out how many degrees of heat or cold a person can withstand. It would be equally important to know at what temperatures it is necessary to grow those plants and trees that could acclimatize here.