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Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
Hertz wireless experiments (1887): Heinrich Hertz demonstrates free space electromagnetic waves, predicted by Maxwell's equations, with a simple dipole antenna and spark gap oscillator. Thomson's experiments with cathode rays (1897): J. J. Thomson's cathode ray tube experiments (discovers the electron and its negative charge).
1021 – Ibn al-Haytham (Alhacen) pioneers the experimental scientific method and experimental physics in his Book of Optics, where he devises the first scientific experiments on optics, including the first use of the camera obscura to prove that light travels in straight lines and the first experimental proof that visual perception is caused ...
Uses of experiments vary considerably between the natural and human sciences. Experiments typically include controls, which are designed to minimize the effects of variables other than the single independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.
This category is devoted to simple classroom experiments as part of Chemistry education. Pages in category "Chemistry classroom experiments" The following 25 pages are in this category, out of 25 total.
Adherents are commonly known as Christian Scientists or students of Christian Science, and the church is sometimes informally known as the Christian Science church. It was founded in 1879 in New England by Mary Baker Eddy , who wrote the 1875 book Science and Health with Key to the Scriptures , which outlined the theology of Christian Science.
Science Max: Experiments at Large is a Canadian children's television series, which premiered on TVOntario's TVOKids and Da Vinci Kids programming block in 2015. [1] Hosted by Phil McCordic , the series educates viewers about science through large-scale experiments to demonstrate scientific principles.
This category comprises articles pertaining to Christian Science, a Christian denomination founded and occupied by the Church of Christ, Scientist Wikimedia Commons has media related to Christian Science .