Electromagnetic spectrum illustration showing Infra red location
<ul><li><a href="//commons.wikimedia.org/wiki/File:Spectre.svg" title="File:Spectre.svg">Spectre.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Tatoute" title="User:Tatoute">Tatoute</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Isometrik" title="User:Isometrik">Isometrik</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Isometrik" title="User talk:Isometrik"><span class="signature-talk">talk</span></a>)</li>
<li>further changes in the public domain by: <a href="//commons.wikimedia.org/wiki/User:84user" title="User:84user">User:84user</a></li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Spectre_InfraRed.svg" title="File:Spectre InfraRed.svg">Spectre InfraRed.svg</a></li></ul>