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  2. Nickel (United States coin) - Wikipedia

    en.wikipedia.org/wiki/Nickel_(United_States_coin)

    A nickel is a five-cent coin struck by the United States Mint.Composed of cupronickel (75% copper and 25% nickel), the piece has been issued since 1866.Its diameter is 0.835 inches (21.21 mm) and its thickness is 0.077 inches (1.95 mm).

  3. United States nickel mintage figures - Wikipedia

    en.wikipedia.org/wiki/United_States_nickel...

    Jefferson nickels have been minted since 1938 at the Philadelphia and Denver mints and from the San Francisco mint until 1970. Key dates for the series include the 1939-D, and 1950-D nickels. The 1939-D nickel with a mintage of 3,514,000 coins is the second lowest behind the 1950-D nickel.

  4. Nickel - Wikipedia

    en.wikipedia.org/wiki/Nickel

    Nickel-59 is a long-lived cosmogenic radionuclide; half-life 76,000 years. 59 Ni has found many applications in isotope geology. 59 Ni has been used to date the ...

  5. Penny debate in the United States - Wikipedia

    en.wikipedia.org/wiki/Penny_debate_in_the_United...

    The current face value of a nickel is also well below that which the last remaining lowest-denomination coin (the penny) held at the time of the half-cent's elimination in 1857. [1] A penny in 1977 was worth the same amount as a nickel in 2023. [31] A nickel in 1977 was worth a quarter in 2023. [32]

  6. Here's Why Nickel Mines (ASX:NIC) Can Manage Its Debt ... - AOL

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  7. Jefferson nickel - Wikipedia

    en.wikipedia.org/wiki/Jefferson_nickel

    The Jefferson nickel has been the five-cent coin struck by the United States Mint since 1938, when it replaced the Buffalo nickel.From 1938 until 2004, the copper-nickel coin's obverse featured a profile depiction of Founding Father and third U.S. President Thomas Jefferson by artist Felix Schlag; the obverse design used in 2005 was also in profile, though by Joe Fitzgerald.

  8. United States Mint coin production - Wikipedia

    en.wikipedia.org/wiki/United_States_Mint_coin...

    This list does not include formerly-circulating gold coins, commemorative coins, or bullion coins. This list also does not include the three-cent nickel, which was largely winding down production by 1887 and has no modern equivalent.

  9. Penny battery - Wikipedia

    en.wikipedia.org/wiki/Penny_battery

    Each cell can provide about 0.6 volts. Indicating that to power an LED light, needing 1.7 volts, only three cells need to be used. As time goes on the amount of energy that the battery can provide decreases. A five cell penny battery can last up to 6 + 1 ⁄ 2 hours providing minimal voltage. The stack of cells is also known as a voltaic pile.