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  2. Degree (angle) - Wikipedia

    en.wikipedia.org/wiki/Degree_(angle)

    One complete turn (360°) is equal to 2 π radians, so 180° is equal to π radians, or equivalently, the degree is a mathematical constant: 1° = π ⁄ 180. One turn (corresponding to a cycle or revolution) is equal to 360°.

  3. Factions in the Republican Party (United States) - Wikipedia

    en.wikipedia.org/wiki/Factions_in_the_Republican...

    A divide has formed in the party between those who remain loyal to Donald Trump and those who oppose him. [152] A recent survey concluded that the Republican Party was divided between pro-Trump (the "Trump Boosters," "Die-hard Trumpers," and "Infowars G.O.P." wings) and anti-Trump factions (the "Never Trump" and "Post-Trump G.O.P." wings). [11]

  4. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes.Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.

  5. Planck units - Wikipedia

    en.wikipedia.org/wiki/Planck_units

    In SI units, the values of c, h, e and k B are exact and the values of ε 0 and G in SI units respectively have relative uncertainties of 1.6 × 10 −10 ‍ [16] and 2.2 × 10 −5. [17] Hence, the uncertainties in the SI values of the Planck units derive almost entirely from uncertainty in the SI value of G .

  6. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    For aviation purposes, where it is common to add times in an already complicated environment, time tracking is simplified by recording decimal fractions of hours. For instance, instead of adding 1:36 to 2:36, getting 3:72 and converting it to 4:12, one would add 1.6 to 2.6 and get 4.2 hours. [19]

  7. Rebar - Wikipedia

    en.wikipedia.org/wiki/Rebar

    US/Imperial bar sizes give the diameter in units of 1 ⁄ 8 inch (3.2 mm) for bar sizes #2 through #8, so that #8 = 8 ⁄ 8 inch = 1-inch (25 mm) diameter. There are no fractional bar sizes in this system. The "#" symbol indicates the number sign, and thus "#6" is read as "number six". The use of the "#" sign is customary for US sizes, but "No ...

  8. Pakistan - Wikipedia

    en.wikipedia.org/wiki/Pakistan

    Due to a high fertility rate, which was estimated at 3.5 in 2022, Pakistan has one of the world's youngest populations. The 2017 census recorded that 40.3% of the country's population was under the age of 15, while only 3.7% of Pakistanis were aged 65 or more. [508]