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  2. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...

  3. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  4. History of paper - Wikipedia

    en.wikipedia.org/wiki/History_of_paper

    The earliest of these mills were centered in New England and Upstate New York, the latter of which became home to International Paper, the largest pulp and paper company in the world, which held a 20% market share in 2017, [90] and at its peak produced more than 60% of the continent's newsprint in 1898, before an industry shift to Canada. [91]

  5. Timeline of historic inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_historic...

    1993: IBM created the first mobile app with SIMON; it had 10 built-in apps from Email to Calendar. 1994: IBM Simon, the world's first smartphone, is developed by IBM. 1994: First generation of Bluetooth is developed by Ericsson Mobile. A form of data communication on short distances between electronic devices.

  6. History of writing - Wikipedia

    en.wikipedia.org/wiki/History_of_writing

    The history of writing traces the development of writing systems [ 1] and how their use transformed and was transformed by different societies. The use of writing prefigures various social and psychological consequences associated with literacy and literary culture. With each historical invention of writing, true writing systems were preceded ...

  7. History of Earth - Wikipedia

    en.wikipedia.org/wiki/History_of_Earth

    The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs. Eon.

  8. History of education - Wikipedia

    en.wikipedia.org/wiki/History_of_education

    Education was a process that involved three steps, first was Shravana (hearing) which is the acquisition of knowledge by listening to the Shrutis. The second is Manana (reflection) wherein the students think, analyze and make inferences. Third, is Nididhyāsana in which the students apply the knowledge in their real life.

  9. Genesis creation narrative - Wikipedia

    en.wikipedia.org/wiki/Genesis_creation_narrative

    The Genesis creation narrative is the creation myth [a] of both Judaism and Christianity. [1] The narrative is made up of two stories, roughly equivalent to the first two chapters of the Book of Genesis. In the first, Elohim (the Hebrew generic word for "god") creates the heavens and the Earth in six days, then rests on, blesses, and sanctifies ...