Search results
Results From The WOW.Com Content Network
Obsidian can be used to make extremely sharp knives, and obsidian blades are a type of glass knife made using naturally occurring obsidian instead of manufactured glass. Obsidian is used by some surgeons for scalpel blades, although this is not approved by the US Food and Drug Administration (FDA) for use on humans. [61]
Argyria or argyrosis is a condition caused by excessive exposure to chemical compounds of the element silver, or silver dust. [1] The most dramatic symptom of argyria is that the skin turns blue or blue-gray, and is usually most prominent in sun-exposed areas of the skin.
A color term (or color name) is a word or phrase that refers to a specific color. The color term may refer to human perception of that color (which is affected by visual context) which is usually defined according to the Munsell color system, or to an underlying physical property (such as a specific wavelength on the spectrum of visible light).
Tons of rhyolite were traded across the Delmarva Peninsula, [32] because the rhyolite kept a sharp point when knapped and was used to make spear points and arrowheads. [33] Obsidian is usually of rhyolitic composition, and it has been used for tools since prehistoric times. [34] Obsidian scalpels have been investigated for use in delicate ...
Livid (blue-gray) is the opposite concept from brown. Brown colors are mainly dark orange and dark red colors—warm colors on the warm color side of the color wheel, while blue-gray (livid) colors are mainly dark blue and dark azure colors—colors on the opposite side of the color wheel—cool colors on the cool color side of the color wheel.
Blue skin may refer to: Argyria, a condition caused by the ingestion of elemental silver, silver dust or silver compounds; Methemoglobinemia, the presence of excessive levels of methemoglobin in the blood; Cyanosis, a change of skin color due to decreased amounts of oxygenated hemoglobin Blue baby syndrome, cyanosis in babies
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Features neon pink and blue accents (including a blue right trigger and left thumbstick top, and a pink left trigger and right thumbstick top), a pearlescent light pink D-pad, a splatter print across the front, a Forza logo print on the front of the left grip, a red-accented left rumble motor (colored to resemble a brake caliper), and a ...