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The Conversation USA

How sensors monitor and measure our bodies and the world around us

  • Written by Nicole McFarlane, Associate Professor of Electrical Engineering, University of Tennessee
imageInfrared sensors make it possible to measure a person's body temperature without touching the person's body.AP Photo/LM Otero

Sensors are all around. They are in automatic doors, at cash registers, in doctors’ offices and hospitals. They are used inside the body and outside.

Sensors detect aspects of the physical world – matter, energy,...

Read more: How sensors monitor and measure our bodies and the world around us

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