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  2. Physics Wallah - Wikipedia

    en.wikipedia.org/wiki/Physics_Wallah

    Physics Wallah Limited (commonly known as Physics Wallah; or simply PW) is an Indian multinational educational technology company headquartered in Noida, Uttar Pradesh.The company was founded by Alakh Pandey in 2016 as a YouTube channel aimed at teaching the physics curriculum for the Joint Entrance Examinations (JEE).

  3. Union Public Service Commission - Wikipedia

    en.wikipedia.org/wiki/Union_Public_Service...

    The Union Public Service Commission (UPSC; ISO: Saṁgha Loka Sevā Āyoga) is a constitutional body tasked with recruiting officers for All India Services and the Central Civil Services (Group A and B) through various standardized examinations. [1] In 2023, 1.3 million applicants competed for just 1,255 positions. [2]

  4. Current Affairs (magazine) - Wikipedia

    en.wikipedia.org/wiki/Current_Affairs_(magazine)

    Current Affairs is an American bimonthly magazine that discusses political and cultural topics from a left-wing perspective. It was founded by Oren Nimni and Nathan J. Robinson in 2015. The magazine is published in print and online, and also has a podcast. [4] [5] It does not feature advertising, and is funded by subscriptions and donations.

  5. Publishers Weekly - Wikipedia

    en.wikipedia.org/wiki/Publishers_Weekly

    Publishers Weekly (PW) is an American weekly trade news magazine targeted at publishers, librarians, booksellers, and literary agents. Published continuously since 1872, it has carried the tagline, "The International News Magazine of Book Publishing and Bookselling." With 51 issues a year, the emphasis today is on book reviews. [2]

  6. Boundary current - Wikipedia

    en.wikipedia.org/wiki/Boundary_current

    They carry warm water from the tropics poleward. Examples include the Gulf Stream, the Agulhas Current, and the Kuroshio Current. Low-latitude western boundary currents are similar to sub-tropical western boundary currents but carry cool water from the subtropics equatorward. Examples include the Mindanao Current and the North Brazil Current.

  7. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    An example of PWM [clarification needed] in an idealized inductor driven by a voltage source modulated as a series of pulses, resulting in a sine-like current in the inductor. The rectangular voltage pulses nonetheless result in a more and more smooth current waveform, as the switching frequency increases. The current waveform is the integral ...

  8. Health Affairs - Wikipedia

    en.wikipedia.org/wiki/Health_Affairs

    Health Affairs is a monthly peer-reviewed healthcare journal established in 1981 by John K. Iglehart; since 2014, the editor-in-chief is Alan Weil. [1] It was described by The Washington Post as "the bible of health policy".