Thermometer Apr 2026

When measuring body temperature, the accuracy of a digital thermometer depends on its application, notes the Mayo Clinic :

Common for environmental or laboratory use, these are rarely used in medical settings today due to the risks associated with broken glass and toxic liquids. Key Uses and Applications Thermometers are crucial in numerous fields:

in more detail.

The invention of the thermometer is widely credited to Italian mathematician and physicist Galileo Galilei around 1592, who created a crude water thermometer that measured temperature changes through the expansion or contraction of air. This early instrument was also sensitive to air pressure, making it part-barometer.

Generally considered the most accurate method for infants. thermometer

Reliable for adults and children who can hold the device correctly, notes MedlinePlus .

These scan the temple to detect the temperature of the temporal artery. They are non-invasive and excellent for screening, though they may require more precise reading with a traditional thermometer if a high fever is suspected. When measuring body temperature, the accuracy of a

These measure the infrared heat inside the ear canal.