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Prism (Katy Perry album) Prism is the fourth studio album by American singer Katy Perry. It was released by Capitol Records on October 18, 2013. While the album was initially planned to be "darker" than her previous material, Prism ultimately became a prominently dance-inspired record.
In the technical terminology of gemology, dispersion is the difference in the refractive index of a material at the B and G (686.7 nm and 430.8 nm) or C and F (656.3 nm and 486.1 nm) Fraunhofer wavelengths, and is meant to express the degree to which a prism cut from the gemstone demonstrates "fire". Fire is a colloquial term used by ...
The conventional colour description takes into account only the peak of the stellar spectrum. In actuality, however, stars radiate in all parts of the spectrum. Because all spectral colours combined appear white, the actual apparent colours the human eye would observe are far lighter than the conventional colour descriptions would suggest.
But Trump sees politics through the prism of power and loyalty, not ideology. His last Vice President, Mike Pence, was a faithful understudy until he followed his conscience and the Constitution ...
During this period he investigated the refraction of light, demonstrating that the multicoloured image produced by a prism, which he named a spectrum, could be recomposed into white light by a lens and a second prism. [63] Modern scholarship has revealed that Newton's analysis and resynthesis of white light owes a debt to corpuscular alchemy. [64]
March 1. Pianist David Helfgott performs at the Boston Symphony Hall, in Boston, USA, during his world tour.The Boston Globe describes his performance as "without phrasing, form, harmonic understanding, differentiation of style and often basic accuracy; worst of all, it was without emotional content".
In optics, orange is the colour seen by the eye when looking at light with a wavelength between approximately 585–620 nm. It has a hue of 30° in HSV colour space. Isaac Newton's Opticks distinguished between pure orange light and mixtures of red and yellow light by noting that mixtures could be separated using a prism. [26]
Linkin Park is an American rock band formed in Agoura Hills, California, in 1996. The band's current lineup consists of vocalist/rhythm guitarist/keyboardist Mike Shinoda, lead guitarist Brad Delson, DJ/turntablist Joe Hahn, bassist Dave Farrell, co-lead vocalist Emily Armstrong, and drummer Colin Brittain. The lineup for the band's first seven ...
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