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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. Topps - Wikipedia

    en.wikipedia.org/wiki/Topps

    The cards were then dumped into the Atlantic Ocean. [12] The cards included Mickey Mantle's first Topps card, the most valuable card of the modern era. No one at the time, of course, knew the collector's value the cards would one day attain. On August 28, 2022, the Mickey Mantle baseball card (Topps; #311; SGC MT 9.5) was sold for $12.600 ...

  4. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    The platters are made from a non-magnetic material, usually aluminum alloy, glass, or ceramic. They are coated with a shallow layer of magnetic material typically 10–20 nm in depth, with an outer layer of carbon for protection. [47] [48] [49] For reference, a standard piece of copy paper is 0.07–0.18 mm (70,000–180,000 nm) [50] thick.

  5. Debit card - Wikipedia

    en.wikipedia.org/wiki/Debit_card

    A debit card, also known as a check card or bank card, is a payment card that can be used in place of cash to make purchases. The card usually consists of the bank's name, a card number, the cardholder's name, and an expiration date, on either the front or the back. Many new cards now have a chip on them, which allows people to use their card ...

  6. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The United States dollar ( symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

  7. List of most expensive sports cards - Wikipedia

    en.wikipedia.org/wiki/List_of_most_expensive...

    The two priciest cards are baseball cards, followed by three basketball cards . The first sports card to sell for one million dollars was a T206 Honus Wagner which went for $1,265,000 at auction in 2000 (equivalent to $2,238,133 in 2023). [ 1] As of May 2020, the industry brings in over one billion dollars annually for manufacturers and retailers.

  8. 12 (number) - Wikipedia

    en.wikipedia.org/wiki/12_(number)

    12 (number) 12 ( twelve) is the natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by the numbers from 1 to 4, and 6 . It is the number of years required for an orbital period of Jupiter. It is central to many systems of timekeeping, including the Western calendar and units of time of day, and ...

  9. Tesla, Inc. - Wikipedia

    en.wikipedia.org/wiki/Tesla,_Inc.

    Tesla, Inc. (/ ˈ t ɛ s l ə / TESS-lə or / ˈ t ɛ z l ə / TEZ-lə [a]) is an American multinational automotive and clean energy company. Headquartered in Austin, Texas, it designs, manufactures and sells battery electric vehicles (BEVs), stationary battery energy storage devices from home to grid-scale, solar panels and solar shingles, and related products and services.