https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&user=65.96.168.61&feedformat=atomexplain xkcd - User contributions [en]2024-03-29T06:40:33ZUser contributionsMediaWiki 1.30.0https://www.explainxkcd.com/wiki/index.php?title=1142:_Coverage&diff=223671142: Coverage2012-12-10T06:09:42Z<p>65.96.168.61: /* Explanation */</p>
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<div>{{comic<br />
| number = 1142<br />
| date = December 3, 2012<br />
| title = Coverage<br />
| image = coverage.png<br />
| imagesize = <br />
| titletext = My resonant tunneling diode phone has limited range but a short enough wavelength to penetrate even the densest cages. This gives me a major combat advantage, hopefully.<br />
}}<br />
<br />
==Explanation==<br />
A {{w|Faraday cage}} is a cage of conducting material that interferes and blocks out {{w|electromagnetic radiation}} like cell phone signals, provided the material is of the appropriate thickness and the gaps between the "bars" are significantly smaller than the wavelength of the radiation. A {{w|cage match}} is a type of wrestling match in which the participants fight in a ring enclosed by a metal cage. The comic caption is a play on the two terms, putting [[Cueball]] into a cage match in the Faraday cage that is blocking his reception.<br />
<br />
The title text is a play on a rule in cage matches that states that a participant wins if they are first to escape the cage. {{w|Tunneling_diode|Tunneling diodes}} are capable of fast operation, allowing a device to generate high frequency signals, which are more capable of penetrating the mesh openings in a Faraday cage.<br />
<br />
==Transcript==<br />
:[Cueball looking at a phone in his hands]<br />
:Cueball: Man, the coverage here is ''Awfu-''<br />
<br />
:[Man punches Cueball]<br />
<br />
:Faraday cagematch<br />
{{comic discussion}} <br />
[[Category:Comics featuring Cueball]]<br />
[[Category:Physics]]</div>65.96.168.61