CITATIONS-
https://www.howtogeek.com/427897/how-does-facial-recognition-work/
https://www.androidauthority.com/electrochromic-glass-explained-1072644/
https://www.gauzy.com/smart-glass-everything-you-want-to-know/
https://www.makeuseof.com/tag/technology-explained-how-does-a-router-work/
https://www.explainthatstuff.com/wirelessinternet.html
https://www.gadgetreview.com/how-do-projectors-work
https://www.adorama.com/alc/how-teleprompters-work
https://www.scienceabc.com/innovation/how-do-earphones-headphones-work.html
https://www.scienceabc.com/innovation/how-do-noise-canceling-headphones-work.html
https://www.elprocus.com/how-does-bluetooth-work/
https://smallbusiness.chron.com/bluetooth-headset-work-57165.html
https://www.androidauthority.com/how-fingerprint-scanners-work-670934/
https://uvhero.com/how-infrared-thermometers-work/
https://www.omega.com/en-us/resources/infrared-thermometer-how-work
https://www.honeywell.com/en-us/newsroom/news/2020/03/n95-masks-explained
https://www.fda.gov/medical-devices/personal-protective-equipment-infection-control/n95-respir
ators-surgical-masks-and-face-masks
https://www.pocket-lint.com/phones/news/140239-wireless-charging-explained
https://www.theguardian.com/technology/2017/sep/13/apple-iphone-8-iphone-x-what-is-wireless
-charging-do-i-need-it#:~:text=Wireless%20charging%20works%20by%20transferring,be%20fe
d%20into%20the%20battery.
https://www.androidcentral.com/wireless-charging-plain-english
https://techblog.livongo.com/how-do-blood-pressure-monitors-work/