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  2. IQ classification - Wikipedia

    en.wikipedia.org/wiki/IQ_classification

    Children with an IQ above 140 by that test were included in the study. There were 643 children in the main study group. When the students who could be contacted again (503 students) were retested at high school age, they were found to have dropped 9 IQ points on average in Stanford–Binet IQ.

  3. Optical coating - Wikipedia

    en.wikipedia.org/wiki/Optical_coating

    The unwanted interference effects are suppressed by vapour-depositing a special dielectric coating known as a phase-compensating coating on the roof surfaces of the roof prism. These phase-correction coating or P-coating on the roof surfaces was developed in 1988 by Adolf Weyrauch at Carl Zeiss [6] Other manufacturers followed soon, and since ...

  4. Wedge prism - Wikipedia

    en.wikipedia.org/wiki/Wedge_prism

    The wedge prism is a prism with a shallow angle between its input and output surfaces. This angle is usually 3 degrees or less. Refraction at the surfaces causes the prism to deflect light by a fixed angle. When viewing a scene through such a prism, objects will appear to be offset by an amount that varies with their distance from the prism.

  5. Munsell color system - Wikipedia

    en.wikipedia.org/wiki/Munsell_color_system

    In practice, color charts conventionally specify 40 hues, in increments of 2.5, progressing as for example 10R to 2.5YR. Two colors of equal value and chroma, on opposite sides of a hue circle, are complementary colors , and mix additively to the neutral gray of the same value.

  6. Branches of physics - Wikipedia

    en.wikipedia.org/wiki/Branches_of_physics

    environmental physics, the branch of physics concerned with the measurement and analysis of interactions between organisms and their environment; engineering physics, the combined discipline of physics and engineering; geophysics, the sciences of physical relations on our planet; mathematical physics, mathematics pertaining to physical problems

  7. Columbine High School massacre - Wikipedia

    en.wikipedia.org/wiki/Columbine_High_School_massacre

    The Columbine High School massacre, often simply referred to as Columbine, was a school shooting and a failed bombing that occurred on April 20, 1999, at Columbine High School in Columbine, Colorado, United States. [b] The perpetrators, twelfth-grade students Eric Harris and Dylan Klebold, murdered twelve students and one teacher.

  8. C. V. Raman - Wikipedia

    en.wikipedia.org/wiki/C._V._Raman

    Born to Tamil Brahmin parents, Raman was a precocious child, completing his secondary and higher secondary education from St Aloysius' Anglo-Indian High School at the age of 11 and 13, respectively. He topped the bachelor's degree examination of the University of Madras with honours in physics from Presidency College at age 16.

  9. Beverly Hills High School - Wikipedia

    en.wikipedia.org/wiki/Beverly_Hills_High_School

    The other public high school in Beverly Hills is Moreno High School, a small alternative school located on Beverly Hills High School's campus. Beverly Hills High School is part of the Beverly Hills Unified School District and located on 19.5 acres (7.9 ha) on the west side of Beverly Hills, at the border of the Century City area of Los Angeles.