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Detailed explanation-1: -The world’s smallest thermometer is 20, 000 times smaller than a human hair and is fully programmable. It was developed using basic idea of the DNA molecules which unfold when heated to certain temperatures.

Detailed explanation-2: -The Six’s thermometer is a registering thermometer which can record the maximum and minimum temperatures reached over a period of time, for example 24 hours. It is used to record the extremes of temperature at a location.

Detailed explanation-3: -A thermometer is an instrument that measures temperature. It can measure the temperature of a solid such as food, a liquid such as water, or a gas such as air. The three most common units of measurement for temperature are Celsius, Fahrenheit, and kelvin. The Celsius scale is part of the metric system.

Detailed explanation-4: -To measure the maximum and minimum temperature, a special thermometer is used. It is called the Maximum-Minimum thermometer. It is used to record the extremes of temperature at a location, for instance in meteorology and horticulture.

Detailed explanation-5: -Six’s thermometer has been used to determine the lowest and highest temperatures for the day.