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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 ...
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]
A soldier from 3rd Battalion, The Parachute Regiment, wearing Enhanced Combat Body Armour during Operation Telic. British forces first began using body armour on a widespread basis when combatting terrorist activities in Northern Ireland during Operation Banner, [1] with this initially consisting of M52 and M69 flak vests and then the Individual Northern Ireland Body Armour vest which could be ...
Obsidian is a personal knowledge base and note-taking software 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. [6] [7] It is designed to help users organize and structure their thoughts and knowledge in a flexible, non-linear way. [8]
Obsidian is a 1997 graphic adventure game developed by Rocket Science Games and published by SegaSoft.It was released for Microsoft Windows and Mac OS.. Based on a game design outline by VP of Development/Creative Director, Bill Davis, and written by Howard Cushnir and Adam Wolff, Obsidian is a first-person 3-D graphical adventure game, with a large puzzle element.
Obsidian Kingdom is a music band formed in 2005 in Barcelona, whose music is not easy to label. [1] The band itself defines it as “hard-to-classify heavy sound with plenty of contrasts”. [ 2 ] The band's music has been characterized as drawing equally on progressive rock , post-metal , black metal , alternative and electronic music .