![r Article- arXiv.org >physics> arXiv:1204.0492 Physics > Popular Physics Non-detection of the Tooth Fairy at Optical Wavelengths Eve Armstrong (Submitted on 2 Apr 2012) We report a non-detection, to a limiting magnitude of V 18.4 (9), of the elusive entity commonly described as the Tooth Fairy. We review various physical models and conclude that follow-up observations must precede an interpretation of our result. Comments: 5 pages, 3 figures Subjects: Popular Physics (physics.pop-ph) Instrumentation and Methods for Astrophysics (astro-ph.I) Cite as: arxiv:1204.0492 [physics.pop-ph (or arXiv:1204.0492v1 [physics.pop-ph] for this version) Submission history From: Eve Armstrong [view email] [v1] Mon, 2 Apr 2012 18:38:42 GMT (533kb) Which authors of this paper are endorsers?/ Disable MathJax (What is MathJax?) Link back to: arXiv, form interface, contact.](https://i.kym-cdn.com/photos/images/list/000/668/978/00a.png "Arxiv's April Fools")
2012 April Fools' Day
Part of a series on April Fools' Day. [View Related Entries]
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[Editor's Note: This entry is meant to document all of the notable web pranks launched on April 1st, 2012. Please request editorship!]
Overview
On April 1st, 2012, many notable Internet companies created April Fool's Day sites, apps and videos to celebrate the occasion.
Notable Examples
Social news site reddit featured a timeline that allowed for fictional simulated links and text posts to be displayed based on various years.
Imgur
Image hosting site Imgur adopted a giraffe as the mascot of the site named imguraffe. In addition the background of the website was changed to that of a skin of a giraffe.
External References
[1] aprilfoolsdayontheweb.com – April Fool's Day on the Web
[2] Chrome Ad Block – Cat Block
[3] Google Maps – 8-bit Manhattan
[4] Google – Chrome Multitask
