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The Supernova of 1054 was an outstanding sight when it appeared in Earth’s sky nearly a millennium ago, but how much have we actually learned about it since then? Today’s video from YouTube channel SciShow Space discusses what we now know about this famous celestial phenomenon thanks to modern technology.

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Running a home media server is pretty awesome: beautiful cover art, playlists, and all your media right at your finger tips. One thing media centers fall short on, however, is recreating that feeling of aimlessly channel surfing just to scratch that TV watching itch. Read on as we show you how to recreate the channel surfing experience on XBMC with the use of a very clever add-on.

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There was a time when Macs and PCs were very different, but they’re now basically the same. Open a MacBook up and you’ll find the same hardware you’d find in a PC Ultrabook.

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Tab completion is an extremely helpful feature in nearly any command-line environment, whether you’re using the Bash shell on Linux, Command Prompt or PowerShell on Windows, or a terminal window on Mac OS X.

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If you want really quick access to launch a frequently used application without putting extra icons on your desktop, you can add that application to the context menu for the desktop with a simple registry hack. Here’s how to do it.

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Windows is designed for desktop use, not gaming. The Windows key, Alt+Tab, and other keyboard options like Sticky Keys will rip you out of full-screen games and back to your desktop — but you can disable them.

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Windows, Linux, and other operating systems all have built-in support for IPv6, and it’s enabled by default. According to a myth going around, this IPv6 support is slowing down your connection and disabling it will speed things up.

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Earlier this year we shared a wonderful collection of Fences Wallpapers with you, and today we are back to surround you with more. Mark the boundaries on your desktop with the second in our series of Fences Wallpaper collections.

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Are you ready to explore lost dungeons and test your puzzle solving skills at the same time? Then pack up your adventuring gear and prepare for a journey into the unknown with Dungeoneer!

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You can hide files on any operating system, but hidden files can be accessed by anyone with access to your PC or its storage. Encryption actually protects your files, preventing people from accessing them without your encryption key.

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When you are just starting to learn about networks and how IP addresses work, it can all seem a bit overwhelming, but with a little bit of study you can understand how it all comes together. Today’s SuperUser Q&A post helps a confused reader learn about how IP addresses work for his Wi-Fi network.

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Depression is a serious issue that can tear a person down to the point where life is nothing more than a miserable existence, but what exactly is going on ‘inside’ when a person is depressed? Today’s video from YouTube channel AsapSCIENCE discusses some new discoveries that are shedding light on causes and possible treatments for depression.

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If you lose your Android device, it’s not likely you’ll get it back. However, there are some kind souls out there who will try to return it, but if the device is locked, they won’t know how to reach you.

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If you’ve noticed hotspots in your digital photos, areas where a stuck pixel in the camera’s sensor has rendered very bright spots of color that don’t belong in the image, you’re not alone. It’s an incredibly common phenomenon, but that doesn’t mean you have to put up with it. Read on as we discuss what distinguishes stuck pixels from other sensor defects and problems, how to identify it, and how to fix it both in-camera and out.

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In 2005, Linus Torvalds said, “I don’t use GNOME, because in striving to be simple, it has long since reached the point where it simply doesn’t do what I need it to do.” GNOME’s developers have continued removing options.

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