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  2. Nickel - Wikipedia

    en.wikipedia.org/wiki/Nickel

    The US nickel coin contains 0.04 ounces (1.1 g) of nickel, which at the April 2007 price was worth 6.5 cents, along with 3.75 grams of copper worth about 3 cents, with a total metal value of more than 9 cents. Since the face value of a nickel is 5 cents, this made it an attractive target for melting by people wanting to sell the metals at a profit.

  3. Repeating decimal - Wikipedia

    en.wikipedia.org/wiki/Repeating_decimal

    For example, in duodecimal, ⁠ 1 / 2 ⁠ = 0.6, ⁠ 1 / 3 ⁠ = 0.4, ⁠ 1 / 4 ⁠ = 0.3 and ⁠ 1 / 6 ⁠ = 0.2 all terminate; ⁠ 1 / 5 ⁠ = 0. 2497 repeats with period length 4, in contrast with the equivalent decimal expansion of 0.2; ⁠ 1 / 7 ⁠ = 0. 186A35 has period 6 in duodecimal, just as it does in decimal.

  4. 2024 World Athletics Indoor Championships – Men's 4 × 400 ...

    en.wikipedia.org/wiki/2024_World_Athletics_Indoor...

    The men's 4 × 400 metres relay at the 2024 World Athletics Indoor Championships took place on 3 March 2024.. The winning margin was 0.06 seconds which was the first time the men's 4x400 metres was won by less than a tenth of a second at these championships.

  5. Surface-mount technology - Wikipedia

    en.wikipedia.org/wiki/Surface-mount_technology

    Surface-mount technology was developed in the 1960s. By 1986, surface-mounted components accounted for 10% of the market at most but were rapidly gaining popularity. [4] By the late 1990s, the great majority of high-tech electronic printed circuit assemblies were dominated by surface mount devices.

  6. Dagger (mark) - Wikipedia

    en.wikipedia.org/wiki/Dagger_(mark)

    [3] [a] A double dagger, or diesis, ‡ is a variant with two hilts and crossguards that usually marks a third footnote after the asterisk and dagger. [5] The triple dagger ⹋ is a variant with three crossguards and is used by medievalists to indicate another level of notation. [6]

  7. Swimming at the 2004 Summer Olympics – Women's 4 × 100 metre ...

    en.wikipedia.org/wiki/Swimming_at_the_2004_Summer...

    The women's 4 × 100 metre freestyle relay took place on 14 August at the Olympic Aquatic Centre of the Athens Olympic Sports Complex in Athens, Greece. [1]For the first time in 48 years, Australia (Alice Mills, Lisbeth Lenton, Petria Thomas, and Jodie Henry) won the gold medal in the event, overhauling Team USA on the final leg.

  8. IEC 61000-3-2 - Wikipedia

    en.wikipedia.org/wiki/IEC_61000-3-2

    IEC 61000-3-2 Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for harmonic current emissions (equipment input current ≤ 16 A per phase) is an international standard that limits mains voltage distortion by prescribing the maximum value for harmonic currents from the second harmonic up to and including the 40th harmonic ...

  9. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.