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"The Fun They Had" is a science fiction story by American writer Isaac Asimov. It first appeared in a children's newspaper in 1951 and was reprinted in the February 1954 issue of The Magazine of Fantasy and Science Fiction , Earth Is Room Enough (1957), 50 Short Science Fiction Tales (1960), and The Best of Isaac Asimov (1973).
Similarly, Class X Social Sciences had 28 chapters as compared to 16 each in Science and Mathematics. This exercise brought down the total number of chapters in Social Sciences in Class IX and X to 20 and 25 respectively. [31] NCERT had announced its decision to erase certain chapters on the Mughal Empire from class 12 history textbooks to ...
Trey and Patru — class A or F main sequence stars, described as "white", a binary star system; Tano and Sitha — class A, B, or O main sequence stars, described as "blue", a binary star system; From what can be drawn from the text, Onos, the star appearing brightest and largest in Lagash's sky, is the star that Lagash orbits.
Panchanan Maheswari, FRS (9 November 1904 – 18 May 1966 [1] in Jaipur Rajasthan) a prominent Indian botanist noted chiefly for his invention of the technique of test-tube fertilization of angiosperms. This invention has allowed the creation of new hybrid plants that could not previously be crossbred naturally.
This is indicated in the first chapter of the Aryabhatiya, where he gives the number of rotations of the Earth in a yuga, [30] and made more explicit in his gola chapter: [31] In the same way that someone in a boat going forward sees an unmoving [object] going backward, so [someone] on the equator sees the unmoving stars going uniformly westward.
Frederick Sanger OM CH CBE FRS FAA (/ ˈ s æ ŋ ər /; 13 August 1918 – 19 November 2013) was a British biochemist who received the Nobel Prize in Chemistry twice.. He won the 1958 Chemistry Prize for determining the amino acid sequence of insulin and numerous other proteins, demonstrating in the process that each had a unique, definite structure; this was a foundational discovery for the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 February 2025. Indian mathematician and astronomer (598–668) Brahmagupta Born c. 598 CE Bhillamala, Gurjaradesa, Chavda kingdom (modern day Bhinmal, Rajasthan, India) Died c. 668 CE (aged c. 69–70) Ujjain, Chalukya Empire (modern day Madhya Pradesh, India) Known for Rules for computing with Zero ...
Steven Sidebothom of the University of Delaware, who had background knowledge of Roman Egypt, was in charge of the trenching at the site. [12] Further excavations were done during six working seasons from 1989 to 1992, which led to a contradictory view that the brick structures and the wells investigated by Wheeler were of poor quality as they ...