Harvard University is about to release a super-fast response elastic thermometer
Harvard University, USA, is about to launch a new type of thermometer, elastic, super-fast response.
Harvard University, USA, is about to launch a new type of thermometer, elastic, super-fast response.
Due to its very simple design, it has a wide range of applications.
In essence, this is a soft thermal sensor, with a simple structure and quick response to body temperature changes; at the same time, withstand the pulling force, twisting according to the device, the wearer.
The thermometer has three simple components: an electrolyte, an electrode, and an insulating dielectric material. The electrolytic and dielectric junction accumulate ions while the dielectric and electrode interface accumulate electrons. The charge imbalance between them creates an ion cloud in the electrolyte.
As the temperature changes, the ion cloud changes in thickness and a voltage is generated. Voltage is sensitive to temperature but not to expansion. Due to its very simple design, it has a wide range of applications. For example, the temperature of a boiled egg can be measured while it is still hot and can react to a temperature change in 10 milliseconds time.
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