Checkio@ Touch - Infrared Forehead Thermometer In the 17th century

In the 17th century

Normal temperature varies by around 1 ° C during the day

Several diseases are accompanied by characteristic changes in body temperature

It took 100 years for a fast predictive thermometer to be developed

When glass thermometers were sufficiently reduced in size at the end of the 19th century

Checkio@ Touch - Infrared Forehead Thermometer In the 17th centurySince prehistoric times, fever has been associated with disease. In the 17th century, Galileo developed the first thermometers for physical experiments. When glass thermometers were sufficiently reduced in size at the end of the 19th century, various researchers began to use them to measure temperature on animals. It took 100 years for a fast predictive thermometer to be developed. What is a normal body temperature? A normal body temperature is around