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YouTube Rewind 2018 is the single most disliked video on YouTube, receiving over 20 million dislikes since its upload on December 6, 2018. This list of most-disliked YouTube videos contains the top 42 videos with the most dislikes of all time, as derived from the American video platform, YouTube's, charts.
Dispersive prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow ). Different wavelengths (colors) of light will be deflected by the prism at different angles. [1] This is a result of the prism material's index of refraction ...
Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Google earnings: YouTube isn’t losing share to TikTok, analyst says. Google ( GOOG, GOOGL) took the wraps off of a new prototype pair of augmented reality glasses that can automatically ...
All eyes were on Monday's Copa América clash between USA and Uruguay from Kansas City's Arrowhead Stadium.. They did not like what they saw. From the opening moments of Uruguay's 1-0 win that ...
Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with Abbe numbers between 50 and 85). Crown glass is produced from alkali-lime silicates containing approximately 10% potassium oxide and is one of the earliest low dispersion glasses .
A beaming Roker held baby Jordan as he interviewed members of the crowd outside Studio 1A on July 1, 1994. “You guys have brought the youngest viewer to the TODAY Show yet,” Roker told Jordan ...
Binoculars with roof prisms have been in use to a large extent since the second half of the 20th century. Roof prism designs result in objective lenses that are almost or totally in line with the eyepieces, creating an instrument that is narrower and more compact than Porro prisms and lighter. There is also a difference in image brightness.