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2. Electronic article surveillance - Wikipedia

   en.wikipedia.org/wiki/Electronic_article...

   Electronic article surveillance antennas at an H&M store in Torp shopping mall, Sweden. Electronic article surveillance (EAS) is a type of system used to prevent shoplifting [1] from retail stores, pilferage of books from libraries, or unwanted removal of properties from office buildings.

3. 5 Can’t-Miss Super Saturday Deals at Walmart - AOL

   www.aol.com/finance/5-t-miss-super-saturday...

   You can get a great deal on one this Super Saturday at Walmart. “At Walmart, the Mainstays Soft Fleece Electric Heated Throw Blanket is on sale for $18 (originally $22.76),” Landau said ...

4. Walmart Deals 2024: What to buy from the Big Holiday Deals ...

   www.aol.com/lifestyle/walmart-holiday-deals-2024...

   Amazon's October Prime Day sale might be over, but Walmart's Holiday Deals event is still going strong for several more days with brand new, hot-off-the-press deals unveiling now through through ...

5. Walmart's Cyber Monday deals end in a few hours: Shop our ...

   www.aol.com/lifestyle/walmarts-cyber-monday...

   Cyber week has started, and Walmart launched its finale to Black Friday savings with all-new deals for Cyber Monday. Shop the biggest sale of the year. Walmart's Cyber Monday deals end in a few ...

6. Electro-optical sensor - Wikipedia

   en.wikipedia.org/wiki/Electro-optical_sensor

   An optical sensor converts light rays into electronic signals. It measures the physical quantity of light and then translates it into a form readable by an instrument. An optical sensor is generally part of a larger system that integrates a source of light, a measuring device, and the optical sensor. This is often connected to an electrical ...

7. Photodetector - Wikipedia

   en.wikipedia.org/wiki/Photodetector

   A microbolometer is a specific type of bolometer used as a detector in a thermal camera. Cryogenic detectors are sufficiently sensitive to measure the energy of single x-ray, visible and infrared photons. [18] Pyroelectric detectors detect photons through the heat they generate and the subsequent voltage generated in pyroelectric materials.

8. Walmart's secret sale room is the perfect place for last ...

   www.aol.com/lifestyle/walmarts-secret-sale-room...

   Walmart's secret sale room is the perfect place for last-minute gift shopping — all arrive by Christmas Heather Quinlan and Rory Halperin Updated December 20, 2023 at 10:02 AM

9. Passive infrared sensor - Wikipedia

   en.wikipedia.org/wiki/Passive_infrared_sensor

   The plastic window reduces the chance of foreign objects (dust, insects, rain, etc.) from obscuring the sensor's field of view, damaging the mechanism, and/or causing false alarms. The window may be used as a filter, to limit the wavelengths to 8-14 micrometres, which is closest to the infrared radiation emitted by humans.