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Schroedinger’s Cat Supplemental Wallpaper Submissions!

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Schroedinger’s Cat

Schroedinger’s Cat as you might know is Fedora’s 19 name.

Votes ::  Name
1876  ::  Schrödinger's Cat
1620  ::  Higgs Boson
1012  ::  Tiddalik
960   ::  Loch Ness Monster
907   ::  Newtonian Dynamics
892   ::  Martian Blueberries
722   ::  Parabolic Potassium
595   ::  Cubical Calf

What you might don’t know is what Schroedinger’s Cat means.

Schrödinger’s cat is a thought experiment, sometimes described as a paradox, devised by Austrian physicist Erwin Schrödinger in 1935. It illustrates what he saw as the problem of theCopenhagen interpretation of quantum mechanics applied to everyday objects, resulting in a contradiction with common sense.

The scenario presents a cat that might be alive or dead, depending on an earlier random event. Although the original “experiment” was imaginary, similar principles have been researched and used in practical applications. The thought experiment is also often featured in theoretical discussions of the interpretations of quantum mechanics. In the course of developing this experiment, Schrödinger coined the term Verschränkung. More in Wikipedia..

F19 Wallpaper Submissions

From Mairin Duffy (Fedora Designer) Blog

You may have seen Gnokii’s call for Fedora 19 wallpaper submissions a few weeks ago. We are still accepting supplemental wallpapers, and have extended the deadline from March 31 to April 10th!

There’s a few guidelines you must follow in making your submissions – they have to be under a free license, they have to be at least a certain minimum resolution, and in a certain format, among other things. Gnokii’s blog post on submitting supplemental wallpaperscovers these in detail. To submit, you simply upload your submission to the Fedora 19 Supplemental Wallpapers page on Fedora’s wiki. It’s that simple!

We’re really looking forward to see your submissions. :)

Current Wallpaper in Fedora 19 doesn’t seem quite attractive (sorry!)..
153 - tagme
But it has a better lighter version, relative to daylight.

151 - tagme

You can check all the submissions here:

GNOME 3.8 Classic Mode in F19

For some reason F19 doesn’t install Classic Mode alongside with GNOME Shell. I am not sure if that will be the case in F19 alpha in April, 16  (I guess not) but it is an issue for people that upgrading from 18 to 19(Rawhide). To install it..

$ sudo yum install gnome-classic-session

And now you can pick Classic for GDM


To get a GDM screenshot, press print-screen in Login Screen, and then retrieve the images as Super User from



$ sudo nautilus /var/lib/gdm

That is a bit confusing, because you can see that print-screen works, but you don’t actually know where images are saved. This functionality is mostly for debugging reasons and might get removed at some point.

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  • Mateus Machado Luna

    Hey guys, are the submissions olny for digital art wallpapers? Or this contest includes photos too?

    • alex285

      Includes photos. With the highest resolution your camera is capable of.

      • Mateus Machado Luna

        Thanks! I’ll try to put some there!