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2. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   Radio-frequency identification ( RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a transmitter. When triggered by an electromagnetic interrogation pulse from a nearby RFID reader device, the tag transmits ...

3. Packaging - Wikipedia

   en.wikipedia.org/wiki/Packaging

   Packaging is the science, art and technology of enclosing or protecting products for distribution, storage, sale, and use. Packaging also refers to the process of designing, evaluating, and producing packages. Packaging can be described as a coordinated system of preparing goods for transport, warehousing, logistics, sale, and end use.

4. History of the floppy disk - Wikipedia

   en.wikipedia.org/wiki/History_of_the_floppy_disk

   The Quick Disk uses a 2.8-inch magnetic media, break-off write-protection tabs (one for each side), and contains a see-through hole near the center spindle (used to ensure spindle clamping). Nintendo packaged the 2.8-inch magnetic media in a 3-inch×4-inch housing, while others packaged the same media in a 3-inch×3-inch square housing.

5. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

6. Permeability (electromagnetism) - Wikipedia

   en.wikipedia.org/wiki/Permeability...

   Scientists. v. t. e. In electromagnetism, permeability is the measure of magnetization produced in a material in response to an applied magnetic field. Permeability is typically represented by the (italicized) Greek letter μ. It is the ratio of the magnetic induction to the magnetizing field as a function of the field in a material.

7. 'Glad I'm home': Former Marine Paul Whelan speaks out after ...

   www.aol.com/news/im-glad-im-home-im-101349372.html

   The former Marine who spent more than 2,000 days in Russian custody spoke out after a historic, multi-country prisoner swap allowed him and three other to return to the U.S. Evan Gershkovich, Paul ...