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The original intent of the Dobsonian design was to provide an affordable, simple, and rugged large-aperture instrument at low cost. [18] These same attributes facilitate their mass production. One of the first companies to offer Dobsonian telescopes commercially was the now defunct company Coulter Optical (now part of Murnaghan Instruments).
A rugged smartphone has a thicker and completely sealed housing which protects it against all kinds of elements such as water, dust, shock and vibration. This kind of smartphone can be left out in a sandstorm, frozen in a blizzard or go underwater. A true fully rugged smartphone is substantially less susceptible to damage than a non-rugged ...
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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 .
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 ...
English: Representation of Google Pixel 9 smartphone, built from simple primitives. The name of the file embeds the color and whether it is a view of the front or rear of the phone: The name of the file embeds the color and whether it is a view of the front or rear of the phone:
The FE is a manual-focus SLR with manual exposure control or aperture-priority autoexposure, and electromechanical components. As such, the FE requires batteries (two S76 or A76, or LR44 or SR44, or one 1/3N) to power its electronically controlled shutter. The batteries also power the FE's "match-needle" exposure control system.
Wasteland is a role-playing video game developed by Interplay Productions and published by Electronic Arts in 1988. [5] The first installment of the Wasteland series, it is set in a futuristic, post-apocalyptic America destroyed by a nuclear holocaust generations before.