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CodePen is an online community for testing and showcasing user-created HTML, CSS and JavaScript code snippets. It functions as an online code editor and open-source learning environment, where developers can create code snippets, called "pens," and test them. It was founded in 2012 by full-stack developers Alex Vazquez and Tim Sabat and front ...
List of space groups. There are 230 space groups in three dimensions, given by a number index, and a full name in Hermann–Mauguin notation, and a short name (international short symbol). The long names are given with spaces for readability. The groups each have a point group of the unit cell.
On Saturday, February 1, 2003, Space Shuttle Columbia disintegrated as it reentered the atmosphere over Texas and Louisiana, killing all seven astronauts on board. It was the second Space Shuttle mission to end in disaster, after the loss of Challenger and crew in 1986. The mission, designated STS-107, was the twenty-eighth flight for the ...
Space Hulk is a turn-based tactics video game developed by Danish studio Full Control. [3] It is based on the tabletop game of the same name by Games Workshop. [3] It features the Blood Angels Chapter of the Space Marines battling grotesque aliens known as Genestealers. A follow-up game, Space Hulk: Ascension, was released in 2014.
The world is a big, unknown and sometimes scary place for young children. They need a safe place, a space where they can be comfortable learning about their surroundings. That place is the childs world of play. When considering the nature of this ^safe place, _ a non-threatening, comfortable environment in which a child is free to learn, it is
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
The iconic puffy white suits that astronauts have donned for decades as they step outside the International Space Station are rapidly aging — but NASA is now without concrete plans to replace ...
This is a timeline of space exploration which includes notable achievements, first accomplishments and milestones in humanity's exploration of outer space . This timeline generally does not distinguish achievements by a specific country or private company, as it considers humanity as a whole. See otherwise the timeline of private spaceflight or ...