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  2. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    When a professor wants to apply a more precise scale and ranking for students assessments, instead of using the full 1–10 scale (which would make the scale inconsistent with that of other professors), s/he may sometimes have recourse to a plethora of symbols and decimals: the range between 5 and 6 is then expressed, in ascending order, by 5 ...

  3. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Visualization of powers of two from 1 to 1024 (2 0 to 2 10) as base-2 Dienes blocks. A power of two is a number of the form 2 n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent.

  4. List of common misconceptions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_misconceptions

    The crystals are formed by low temperature crystallization, a high glucose level, and the presence of pollen. The crystallization can be reversed by gentle heating. [27] [28] Seeds are not the spiciest part of chili peppers. In fact, seeds contain a low amount of capsaicin, one of several compounds which induce the hot sensation (pungency) in

  5. College admissions in the United States - Wikipedia

    en.wikipedia.org/wiki/College_admissions_in_the...

    Advisors Mamlet and VanDeVelde suggest that students proactively try to explain an unusual grade, such as a low grade in a core course. [140] There are online databases available to help students write cogent essays. [141]

  6. Dark energy - Wikipedia

    en.wikipedia.org/wiki/Dark_energy

    The "cosmological constant" is a constant term that can be added to Einstein field equations of general relativity.If considered as a "source term" in the field equation, it can be viewed as equivalent to the mass of empty space (which conceptually could be either positive or negative), or "vacuum energy".

  7. Internet - Wikipedia

    en.wikipedia.org/wiki/Internet

    During the late 1990s, it was estimated that traffic on the public Internet grew by 100 percent per year, while the mean annual growth in the number of Internet users was thought to be between 20% and 50%. [59]

  8. Sub-Saharan Africa - Wikipedia

    en.wikipedia.org/wiki/Sub-Saharan_Africa

    Combined green: Definition of "sub-Saharan Africa" as used in the statistics of United Nations institutions Lighter green: The Sudan, classified as a part of North Africa by the United Nations Statistics Division [2] instead of Eastern Africa, though the organization states that "the assignment of countries or areas to specific groupings is for statistical convenience and does not imply any ...

  9. List of Falcon 9 and Falcon Heavy launches (2010–2019 ...

    en.wikipedia.org/wiki/List_of_Falcon_9_and_Falcon...

    First-stage landing attempt on drone ship failed due to low thrust on one of the three landing engines; [134] a sub-optimal path led to the stage running out of propellant just above the deck of the landing ship, [135] slamming to the drone ship, breaking a leg, and falling over. 27 18 July 2016 04:45 [17] F9 FT B1025.1 [125] Cape Canaveral ...