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2. Magnetic refrigeration - Wikipedia

   en.wikipedia.org/wiki/Magnetic_refrigeration

   Refrigerators based on the magnetocaloric effect have been demonstrated in laboratories, using magnetic fields starting at 0.6 T up to 10 T. Magnetic fields above 2 T are difficult to produce with permanent magnets and are produced by a superconducting magnet (1 T is about 20.000 times the Earth's magnetic field).

3. Auto-defrost - Wikipedia

   en.wikipedia.org/wiki/Auto-defrost

   "Frost-Free" refrigerator/freezer units usually use a heating element to defrost their evaporators, a pan to collect and evaporate water from the frost that melts from the cold plate and/or evaporator coil, a timer which turns off the compressor and turns on the defrost element usually from once to 4 times a day for periods usually ranging from ...

4. Time switch - Wikipedia

   en.wikipedia.org/wiki/Time_switch

   A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952. [1]

5. Still need to write to Santa Claus? Here's how to send a ...

   www.aol.com/still-write-santa-claus-heres...

   The clock is ticking for families hoping to send letters to Santa Claus at the North Pole this holiday season. Letters need to be postmarked by Monday, a spokesperson for the U. S. Postal Service ...

6. ‘Blue Bloods’ is ending after 14 seasons. Here’s how to watch ...

   www.aol.com/blue-bloods-ending-14-seasons...

   After 14 seasons and nearly 300 episodes, “Blue Bloods” fans will join the Reagans on Friday night, Dec. 13, for their final family dinner. Viewers will bid farewell to the CBS police ...

7. What colors can cats see? Here's how your pet perceives the ...

   www.aol.com/colors-cats-see-heres-pet-110109011.html

   Cats will adjust their eyes during the day, allowing less light to filter in, while their pupils will expand at night to allow for more light, Purina reports. Feline eyes also have more "rods ...

8. Refrigeration - Wikipedia

   en.wikipedia.org/wiki/Refrigeration

   Peltier coolers are often used where a traditional vapor-compression cycle refrigerator would be impractical or take up too much space, and in cooled image sensors as an easy, compact and lightweight, if inefficient, way to achieve very low temperatures, using two or more stage peltier coolers arranged in a cascade refrigeration configuration ...

9. Flour Bugs Are a Real Thing—Here’s an Easy Way to ... - AOL

   www.aol.com/flour-bugs-real-thing-easy-150000385...

   A food safety expert weighs in on flour bugs, also known as weevils, that can infest your pantry after one TikToker found her flour infested with the crawlers.