Write a well developed essay of 50 to 100 words that paraphrases the article
The article is about Airport screening technology, sensors to detect passenger heart rate, breathing, shifty eyes, body temperature and yes, fidgeting, could help security figure out who might have something to hide.sensors take the temperature profile of people's faces for signs of stress. Others track eye movement, pupil size, and blinking. Sensors don't really mean somebody haves something on them, some time passengers get nervous, passengers who might have explosives or illegal items concealed on their persons. Or they could have had a long day and just don't want to stand still.