User talk:Grep

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Hue-shifting what?

If I'm not terrible mistaken, this is not how metamaterials work. Can anybody link me a work about wavelength-shifting metamaterials? 108.162.210.249 16:35, 4 April 2014 (UTC)

I've moved your message to the talk page for comic 1351, because as far as I can tell, that's where it belongs. greptalk19:05, 05 April 2014 (UTC)

Feedback

User user:cos raised an issue here with expxkcd.com. I can show you the rewrite rules we use to achieve the same thing if you need them. Davidy²²[talk] 11:16, 16 April 2014 (UTC)

Thanks. I replied in the original conversation. greptalk12:08, 16 April 2014 (UTC)