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  2. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    In a later study, the same analysis was performed for Debian version 4.0 (etch, which was released in 2007). [178] This distribution contained close to 283 million source lines of code, and the study estimated that it would have required about seventy three thousand man-years and cost US$ 10.2 billion [ 177 ] (in 2023 dollars) to develop by ...

  3. List of bridges in India - Wikipedia

    en.wikipedia.org/wiki/List_of_bridges_in_India

    The thickness of the deck is considerably reduced (the Arrah–Chhapra bridge deck is 3.4 m (11 ft) thick), thereby minimizing the amount of concrete. They can be made up of precast segments even for medium spans and then be erected much more quickly and easily than the typical in-situ concrete construction.

  4. Sun - Wikipedia

    en.wikipedia.org/wiki/Sun

    The Sun is 1.4 million kilometers (4.643 light-seconds) wide, about 109 times wider than Earth, or four times the Lunar distance, and contains 99.86% of all Solar System mass. The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. [26]

  5. List of data breaches - Wikipedia

    en.wikipedia.org/wiki/List_of_data_breaches

    [2] [3] As a result of data breaches, it is estimated that in first half of 2018 alone, about 4.5 billion records were exposed. [4] In 2019, a collection of 2.7 billion identity records, consisting of 774 million unique email addresses and 21 million unique passwords, was posted on the web for sale. [ 5 ]

  6. COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic

    14 Notes. 15 References. 16 Further reading. ... Download as PDF; Printable version; In other projects ... On 4 January 2023, ...

  7. Healthcare in China - Wikipedia

    en.wikipedia.org/wiki/Healthcare_in_China

    [14] [15] By 1984, only 4.8% of villages had cooperative healthcare coverage, a sharp drop from the 90% coverage of the mid-1970s. [16] The barefoot doctor model officially ended during the Chinese Medical Reformation of 1985, when the term 'barefoot doctor' was removed from the healthcare system and replaced with the term and concept of ...

  8. Myanmar - Wikipedia

    en.wikipedia.org/wiki/Myanmar

    Myanmar, [d] officially the Republic of the Union of Myanmar [e] and also rendered as Burma (the official English form until 1989), is a country in northwest Southeast Asia.It is the largest country by area in Mainland Southeast Asia and has a population of about 55 million.

  9. OLED - Wikipedia

    en.wikipedia.org/wiki/OLED

    In addition, TDBA-Cz is the first reported blue material to achieve both a FWHM down to 45 nm and a maximum EQE of 21.4% in a non-doped TADF-OLED. Blue TADF emitters are expected to market by 2020 [ 152 ] [ 153 ] and would be used for WOLED displays with phosphorescent color filters, as well as blue OLED displays with ink-printed QD color filters .