Modern thermometers are made of alcohol or mercury, and uses the Fahrenheit scale and the Celsius scale.
Thermometers today are typically made of glass, plastic, or metal. They contain a temperature-sensitive element, such as mercury or alcohol, that expands or contracts with temperature changes, causing the level to rise or fall in the measuring column. Digital thermometers are also common, using electronic sensors to measure temperature.
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Modern thermometers are made of alcohol or Mercury, and uses the Fahrenheit scale and the Celsius scale.
Mercury would be the dangerous liquid used in thermometers. Many modern thermometers are made without mercury for safety reasons, but if a thermometer breaks and you're not sure, it's better to be careful with the cleanup.
The first calibrated thermometers were made in the early 1700s by Italian inventor Santorio Santorio, who used a sealed glass tube with a numerical scale to measure temperature. This marked the beginning of the modern temperature measurement era.
Early thermometers were likely less accurate compared to modern thermometers because they were made using less precise technology and materials. They may have had limitations in their calibration methods and the consistency of their measurements. Additionally, environmental factors could have affected their accuracy.
Thermometers are typically made using glass, as it is transparent and durable. Mercury or alcohol are commonly used as the liquid inside the glass tube to measure temperature. Some modern thermometers may use digital sensors and components instead of traditional materials.
The first thermometers were made by Galileo Galilei in the 1500s. However, the modern thermometer as we know it was developed in the 18th century by various scientists, including Daniel Gabriel Fahrenheit and Anders Celsius. Thermometers have since been improved upon and used widely for measuring temperature in various fields.
Charles Winger invented them.
Most modern thermometers no longer use mercury due to its toxicity. Instead, digital thermometers, infrared thermometers, and other types of thermometer technology that do not contain mercury are widely available and recommended for safer use.
Thermometers have evolved from simple liquid-filled glass tubes to digital and infrared thermometers that provide fast and accurate temperature readings. Advances in technology have made thermometers more user-friendly, portable, and able to measure temperature in a variety of ways, such as through ear or forehead scans. Additionally, modern thermometers often come with features like memory storage and automatic shut-off to enhance their functionality.
If it is a modern version, yes. Most "air temperature" thermometers use colored alcohol mixes instead of mercury (the vapor of which can be very toxic).
Mercury.
Older thermometers took about a minute for the body temperature to warm the mercury in the glass bulb so that it reached body temperature and a reading could be taken. Modern thermometers are much faster and do not need to be kept for a minute.