The periodic table - classification of elements. Definitions of groups, periods, alkali metals, alkaline earth metals, halogens, and noble gases. How metals, non-metals, and metalloids can be identified by the position on the periodic table. Created by Jay. Introduction to the periodic table. The periodic table - classification of elements. Groups of the periodic table. Counting valence electrons for main group elements.
OPENBook is software developed for blind and visually impaired individuals to read, edit, and manage scanned images from books, magazines, manuals, bills, newspapers, and other printed documents. It essentially turns your computer system into a scanning and reading machine.
Open Storage: As a general term, open storage refers to storage systems built with an open architecture using industry-standard hardware and open-source software. This might be obvious to some, but lets break this down just a little. Open Source-Using Open Source software is a key differentiator. Most storage vendors use proprietary software for their storage systems. Some might argue that using Open Source is more prone to vulnerabilities since the code is easily available.