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The first theory, the emission theory, was supported by such thinkers as Euclid and Ptolemy, who believed that sight worked by the eye emitting rays of light. The second theory, the intromission theory supported by Aristotle and his followers, had physical forms entering the eye from an object.
View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. [2]
After Hull discovered his interest in learning theories from Pavlov, Watson, and Thorndike, he dedicated much of his own laboratory work to perfecting his own theory. Also, many experiments concerning his learning theory came from Hull's students, who carried out many different experiments in Hull's lab after finding inspiration from seminars ...
Photography suddenly enters the public consciousness and Daguerre's process is soon being used worldwide. Talbot publicly introduces the paper-based process he worked out in 1835, calling it "photogenic drawing", but it requires much longer exposures than the daguerreotype and the results are not as clear and detailed.
The learning theories of John Dewey, Maria Montessori, and David A. Kolb serve as the foundation of the application of constructivist learning theory in the classroom. [40] Constructivism has many varieties such as active learning , discovery learning , and knowledge building , but all versions promote a student's free exploration within a ...
Sir John Frederick William Herschel, 1st Baronet KH FRS (/ ˈ h ɜːr ʃ əl, ˈ h ɛər-/; [2] 7 March 1792 – 11 May 1871) [1] was an English polymath active as a mathematician, astronomer, chemist, inventor and experimental photographer who invented the blueprint [3] [4] [5] and did botanical work.
Edward Lee Thorndike (() August 31, 1874 – () August 9, 1949) was an American psychologist who spent nearly his entire career at Teachers College, Columbia University.His work on comparative psychology and the learning process led to his "theory of connectionism" and helped lay the scientific foundation for educational psychology.
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