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Thomas Harold Flowers MBE (22 December 1905 – 28 October 1998) was an English engineer with the British General Post Office. During World War II , Flowers designed and built Colossus , the world's first programmable electronic computer, to help decipher encrypted German messages.
Flowers used some of his own money for the project. [ 43 ] [ 44 ] This prototype, Mark 1 Colossus, contained 1,600 thermionic valves (tubes). [ 41 ] It performed satisfactorily at Dollis Hill on 8 December 1943 [ 45 ] and was dismantled and shipped to Bletchley Park, where it was delivered on 18 January and re-assembled by Harry Fensom and Don ...
The Chinese were making flower arrangements as far back as 207 BCE to 220 CE, in the Han era of ancient China. Flowers were an integral component of religious teaching and medicine. Practitioners of Buddhism, Taoism, and Confucianism placed cut flowers on their altars, a practice which dates back to 618-906 CE. They created paintings, carvings ...
A flower, also known as a bloom or blossom, [1] is the reproductive structure found in flowering plants (plants of the division Angiospermae).
James F. "Jim" McCann is an American entrepreneur who founded 1-800-Flowers, a corporation based on Long Island, in New York; 1-800 Flowers was one of the first companies to pioneer and popularize the use of both toll-free telephone numbers and Web sites to sell goods and services directly to consumers.
Caesalpino proposed classes based largely on the detailed structure of the flowers and fruit; [65] he also applied the concept of the genus. [73] He was the first to try and derive principles of natural classification reflecting the overall similarities between plants and he produced a classification scheme well in advance of its day. [ 74 ]
The Kama Sutra mentions details on house gardens and that a good wife should plant vegetables, bunches of sugarcane, clumps of the fig trees, mustard, parsley and fennel, various flowers like jasmine, rose and others likewise be planted and seats and arbours should be made and the middle of the garden should have a well, a tank or a pond ...
Land plants evolved from a group of freshwater green algae, perhaps as early as 850 mya, [3] but algae-like plants might have evolved as early as 1 billion years ago. [2] The closest living relatives of land plants are the charophytes, specifically Charales; if modern Charales are similar to the distant ancestors they share with land plants, this means that the land plants evolved from a ...