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margin:0.5em;position:relative;"> <table class="noprint" width="100%" border="0" cellpadding="4" cellspacing="0" style="background:#f3f3f3"> <tbody><tr> <td rowspan="2" width="2px" valign="top" align="left" style="background:#C4D2DF; border-left:1px solid #aaaaaa; border-bottom:1px solid #aaaaaa; border-top:1px solid #aaaaaa; border-right:1px solid #aaaaaa;"><a href="/wiki/File:Statusbar3.png" class="image" title="This article is a stub and thus not approved."><img alt="This article is a stub and thus not approved." src="/wiki/images/9/9c/Statusbar3.png" decoding="async" width="12" height="59" data-file-width="12" data-file-height="59" /></a><br /> </td> <td align="center" bgcolor="#C4D2DF" style="border-bottom:1px solid #C4D2DF; white-space: nowrap; border-top:1px solid #aaaaaa; border-right:1px solid #aaaaaa; font-size:0.9em;"><font size="2"><a href="/wiki/Collision" title="Collision">Main Article</a></font><br /> </td> <td align="center" bgcolor="#C4D2DF" style="border-bottom:1px solid #C4D2DF; white-space: nowrap; border-top:1px solid #aaaaaa; border-right:1px solid #aaaaaa; font-size:0.9em;"><font size="2"><a class="mw-selflink selflink">Discussion</a></font> <br /> </td> <td align="center" bgcolor="#CCCCCC" style="white-space: nowrap; border-bottom:1px solid #aaaaaa; border-top:1px solid #aaaaaa; border-right:1px solid #aaaaaa; font-size:0.9em;"><font size="2"><a rel="nofollow" class="external text" href="https://en.citizendium.org/wiki/index.php?action=edit&title=Collision/Definition"><font color="#810541">Definition</font></a></font> <a href="/wiki/CZ:Definitions" title="CZ:Definitions"><span style="font-size:0.9em;"><sup>[?]</sup></span></a><br /> </td> <td align="center" bgcolor="#CCCCCC" style="white-space: nowrap; border-bottom:1px solid #aaaaaa; border-top:1px solid #aaaaaa; border-right:1px solid #aaaaaa; font-size:0.9em;"><a href="/wiki/Collision/Related_Articles" title="Collision/Related Articles">Related Articles </a> <a href="/wiki/CZ:Related_Articles" title="CZ:Related Articles"><span style="font-size:0.9em;"><sup>[?]</sup></span></a> <br /> </td> <td align="center" bgcolor="#CCCCCC" style="white-space: nowrap; 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width:14px; height:14px; overflow:hidden;"><div style="position:absolute; font-size:14px; overflow:hidden; line-height:14px; letter-spacing:14px;"><a href="/wiki/Template:Collision/Metadata" title="Template:Collision/Metadata"><span title="Template:Collision/Metadata" style="text-decoration:none;">   </span></a></div><a href="/wiki/File:Metadata.png" class="image" title="Template:Collision/Metadata"><img alt="Template:Collision/Metadata" src="/wiki/images/thumb/4/4f/Metadata.png/14px-Metadata.png" decoding="async" width="14" height="14" srcset="/wiki/images/4/4f/Metadata.png 1.5x" data-file-width="17" data-file-height="17" /></a></div> </td> <td width="100%" style="background-color: #f3f3f3; border-bottom:1px solid #aaaaaa">  </td></tr> <tr> <td height="40px" colspan="20" style="background:#C4D2DF; padding: 2px 2px 2px 2px; border-right:1px solid #aaaaaa; border-bottom:1px solid #aaaaaa"> <table align="right" border="0" cellpadding="2" cellspacing="0"> <tbody><tr> <td><div style="position:relative; width:17px; height:17px; overflow:hidden;"><div style="position:absolute; font-size:17px; overflow:hidden; line-height:17px; letter-spacing:17px;"><a href="/wiki/Template:Collision/Metadata" title="Template:Collision/Metadata"><span title="Template:Collision/Metadata" style="text-decoration:none;">   </span></a></div><a href="/wiki/File:Metadata.png" class="image" title="Template:Collision/Metadata"><img alt="Template:Collision/Metadata" src="/wiki/images/4/4f/Metadata.png" decoding="async" width="17" height="17" data-file-width="17" data-file-height="17" /></a></div> </td> <td><div style="position:relative; width:17px; height:17px; overflow:hidden;"><div style="position:absolute; font-size:17px; overflow:hidden; line-height:17px; letter-spacing:17px;"><a href="/wiki/index.php?title=Collision/Approval&action=edit&redlink=1" class="new" title="Collision/Approval (page does not exist)"><span title="Collision/Approval" style="text-decoration:none;">   </span></a></div><a href="/wiki/File:Approval_button.png" class="image" title="Collision/Approval"><img alt="Collision/Approval" src="/wiki/images/b/bc/Approval_button.png" decoding="async" width="17" height="17" data-file-width="17" data-file-height="17" /></a></div> </td></tr></tbody></table><small><i>To learn how to update the categories for this article, see <a href="/wiki/CZ:The_Article_Checklist" title="CZ:The Article Checklist">here</a>. To update categories, edit the <a href="/wiki/Template:Collision/Metadata" title="Template:Collision/Metadata">metadata template</a>.</i> </small> <table width="100%" cellpadding="3" cellspacing="0" bgcolor="#FFFAEF" style="border-top:1px solid #FFBE20"> <tbody><tr> <td><b><font size="2" style="background: #cccccc;border-top:1px solid #bbbbbb; border-bottom:1px solid #dddddd"> <a href="/wiki/CZ:Definitions" title="CZ:Definitions">Definition</a>: </font> </b><a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Collision/Definition&action=edit&preload=Template%3ADef_preload"><i><font color="#666666">Please add a brief definition or description.</font></i></a> </td></tr></tbody></table> <table class="collapsible" border="0" width="100%"> <tbody><tr> <th colspan="2" bgcolor="#dddddd" style="border-top:1px solid #aaaaaa"><b>Checklist and Archives</b> </th></tr> <tr> <td> <table width="100%" border="0px" cellpadding="3" cellspacing="0" style="border-collapse:collapse"> <tbody><tr> <td colspan="2"><b><font size="2" style="background: #cccccc;border-top:1px solid #bbbbbb; border-bottom:1px solid #dddddd"> <a href="/wiki/CZ:Workgroups" title="CZ:Workgroups">Workgroup category</a>: </font></b> <a href="/wiki/CZ:Computers_Workgroup" title="CZ:Computers Workgroup">Computers</a><font size="-2"> [Please add or review categories]</font> </td></tr> <tr> <td><b><font size="2" style="background: #cccccc; border-top:1px solid #bbbbbb; border-bottom:1px solid #dddddd"> <a href="/wiki/Help:Index/Communication/Talk/Archiving" title="Help:Index/Communication/Talk/Archiving">Talk Archive</a>: </font></b> <i>none</i> </td> <td><b><font size="2" style="background: #cccccc; border-top:1px solid #bbbbbb; border-bottom:1px solid #dddddd"> <a href="/wiki/CZ:English_language_variant" title="CZ:English language variant">English language variant</a>: </font></b> British English </td></tr></tbody></table> </td></tr></tbody></table> <table class="collapsible collapsed" cellpadding="3" border="0" width="100%"> <tbody><tr> <th colspan="3" bgcolor="#dddddd" style="align:center; border-top:1px solid #aaaaaa">Unused subpages </th></tr> <tr> <td><span class="plainlinks"><b><font size="2" style="background: #cccccc;border-top:1px solid #bbbbbb; border-bottom:1px solid #dddddd"> <a href="/wiki/CZ:Subpage#List_of_subpage_types" class="mw-redirect" title="CZ:Subpage">Unused subpages</a>: </font></b> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Bibliography"><font color="darkblue">Bibliography</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/External_Links"><font color="darkblue">External Links</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Works"><font color="darkblue">Works</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Discography"><font color="darkblue">Discography</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Filmography"><font color="darkblue">Filmography</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Catalogs"><font color="darkblue">Catalogs</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Timelines"><font color="darkblue">Timelines</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Gallery"><font color="darkblue">Gallery</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Audio"><font color="darkblue">Audio</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Video"><font color="darkblue">Video</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Code"><font color="darkblue">Code</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Tutorials"><font color="darkblue">Tutorials</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Student_Level"><font color="darkblue">Student Level</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Signed_Articles"><font color="darkblue">Signed Articles</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Function"><font color="darkblue">Function</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Addendum"><font color="darkblue">Addendum</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Debate_Guide"><font color="darkblue">Debate Guide</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Advanced"><font color="darkblue">Advanced</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Recipes"><font color="darkblue">Recipes</font></a> - <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ASubpages_name&title=Collision/Citable_Version"><font color="darkblue">Citable Version</font></a></span> </td></tr></tbody></table> </td></tr></tbody></table></div> <table width="220px" align="right" cellpadding="5" style="background:#F6E0BC;border-left:2px solid #aaaaaa; border-bottom:2px solid #bbbbbb; border-top:2px solid #dddddd; border-right:2px solid #dddddd;"> <tbody><tr> <td> <center><big><b>To do.</b></big></center><br /> <ul><li>Please write a brief definition or description of this article at <a rel="nofollow" class="external text" href="https://citizendium.org/wiki?action=edit&preload=Template%3ADef_preload&title=Collision/Definition"><font color="darkblue">Collision/Definition</font></a>.</li></ul> <hr /> </td></tr> <tr> <td align="right"><small><a rel="nofollow" class="external text" href="https://citizendium.org/wiki?title=Template:Collision/Metadata"><b>Metadata here</b></a></small> </td></tr></tbody></table> <p><br clear="all" /> </p>  </div> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://citizendium.org/wiki/index.php?title=Talk:Collision&oldid=583936">https://citizendium.org/wiki/index.php?title=Talk:Collision&oldid=583936</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Stub_Articles" title="Category:Stub Articles">Stub Articles</a></li><li><a href="/wiki/Category:Internal_Articles" title="Category:Internal Articles">Internal Articles</a></li><li><a href="/wiki/Category:Computers_Stub_Articles" title="Category:Computers Stub Articles">Computers Stub Articles</a></li><li><a href="/wiki/Category:Computers_Internal_Articles" title="Category:Computers Internal Articles">Computers Internal Articles</a></li><li><a href="/wiki/Category:Need_def" title="Category:Need def">Need def</a></li><li><a href="/wiki/Category:Computers_need_def" title="Category:Computers need def">Computers need def</a></li><li><a href="/wiki/Category:Need_bib" title="Category:Need bib">Need bib</a></li><li><a href="/wiki/Category:Computers_need_bib" title="Category:Computers need bib">Computers need bib</a></li><li><a href="/wiki/Category:Need_ext" title="Category:Need ext">Need ext</a></li><li><a href="/wiki/Category:Computers_need_ext" title="Category:Computers need ext">Computers need ext</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden category: <ul><li><a href="/wiki/Category:Computers_tag" title="Category:Computers tag">Computers tag</a></li></ul></div></div> </div> </div> <div id="mw-navigation"> <h2>Navigation menu</h2> <div id="mw-head"> <nav id="p-personal" class="vector-menu mw-portlet mw-portlet-personal vector-user-menu-legacy" aria-labelledby="p-personal-label" role="navigation" > <h3 id="p-personal-label" class="vector-menu-heading " > <span class="vector-menu-heading-label">Personal tools</span> </h3> <div class="vector-menu-content"> <ul class="vector-menu-content-list"><li id="pt-login" class="mw-list-item"><a href="/wiki/index.php?title=Special:UserLogin&returnto=Talk%3ACollision" title="To edit pages, [[Special:RequestAccount|get a contributor account]]. 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