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Obsidian is a personal knowledge base and note-taking application that operates on Markdown files. [ 3 ] [ 4 ] [ 5 ] It allows users to make internal links for notes and then to visualize the connections as a graph .
Obsidian Entertainment, Inc. is an American video game developer based in Irvine, California and part of Xbox Game Studios. It was founded in June 2003, shortly before the closure of Black Isle Studios , by ex-Black Isle employees Feargus Urquhart , Chris Avellone , Chris Parker, Darren Monahan , and Chris Jones.
Obsidian (/ ə b ˈ s ɪ d i. ən, ɒ b-/ əb-SID-ee-ən ob-) [5] is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth.
Obsidian hydration dating (OHD) is a geochemical method of determining age in either absolute or relative terms of an artifact made of obsidian.. Obsidian is a volcanic glass that was used by prehistoric people as a raw material in the manufacture of stone tools such as projectile points, knives, or other cutting tools through knapping, or breaking off pieces in a controlled manner, such as ...
Obsidian projectile point.. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre-Columbian Mesoamerica.Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy.
In Judaism, a break fast is the meal eaten after Ta'anit (religious days of fasting), such as Yom Kippur. [1] During a Jewish fast, no food or drink is consumed, including bread and water. The two major fasts of Yom Kippur and Tisha B'Av last about 25 hours, from before sundown on the previous night until after sundown on the day of the fast. [2]
Despite being sharper, prismatic obsidian is also considerably more brittle than steel; obsidian blades of the type used on the macuahuitl tended to shatter on impact with other obsidian blades, steel swords or plate armour. Obsidian blades also have difficulty penetrating European mail. The thin, replaceable blades used on the macuahuitl were ...
Iftar, a meal consumed to break fast.It is a sunnah to break fast with dates. In Islam, fasting (known as sawm, [1] Arabic: صوم; Arabic pronunciation: or siyam, Arabic: صيام; Arabic pronunciation:) is the practice of abstaining, usually from food, drink, sexual activity and anything which substitutes food and drink.