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Petroleum-derived pitch is black in colour, hence the adjectival phrase, "pitch-black". [4] The viscoelastic properties of pitch make it well suited for the polishing of high-quality optical lenses and mirrors. In use, the pitch is formed into a lap or polishing surface, which is charged with iron oxide (Jewelers' rouge) or cerium oxide. The ...
Black is a color [2] ... went in the opposite direction; ... the black color of the ink came from bone char, tar, pitch and other substances.
Black is a color, the perception of which is evoked by the total absence of light that stimulates any of the three types of color sensitive cone cells in the human eye and with very low brightness compared to the surroundings. A black visual stimulation will be void of hue and grayness. Black is the darkest possible color.
Isolation tank – Pitch-black, light-proof, soundproof environment heated to the same temperature as the skin; Prisoner's cinema – Visual phenomenon involving seeing animated lights in the darkness; Scintillating scotoma – Visual aura associated with migraine; Photopsia – Presence of perceived flashes of light in one's field of vision
The 14th Amendment was born from Black activism Following the Civil War, Congress passed three Constitutional amendments designed to promote racial justice. One abolished slavery.
The name is a portmanteau of the acronym VANTA (vertically aligned nanotube arrays) [5] and black. The original Vantablack coating was grown from a chemical vapour deposition process (CVD) and is claimed to be the "world's darkest material" absorbing up to 99.965% of visible light measured perpendicular to the material.
A pitch outside the strike zone, on the opposite side of the plate as the batter, is referred to as being "away", in contrast to a pitch thrown between the plate and the batter that is known as "inside". Slang for outs. For example, a two-out inning may be said to be "two away"; a strikeout may be referred to as "putting away" the batter.
Sterling K. Brown is done crying every week. Two days before Thanksgiving, Brown is sitting at a long table in a photo studio in Culver City, digging into a take-out lunch as he begins to break ...