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While building a nuclear weapon is a complex task in and of itself, the most difficult part is refining uranium. In this informative video, Bill Hammack explains.

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Think you know how to search Google with the best of them? Then put your knowledge to the test with this awesome slideshow where you can verify what you know and perhaps learn something new along the way.

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Commercial fish eye lenses are a niche product and carry a hefty price tag; if you’re looking to goof around with fish eye photography on the cheap, this $6 tutorial is for you.

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Ubuntu One, Ubuntu’s built-in cloud file storage service, allows you to make files publically available online or share them privately with others. You can share files over the Internet right from Ubuntu’s file browser.

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More and more banks, credit card companies, and even social media networks and gaming sites are starting to use two-factor authentication. If you’re a little unclear on what it is or on why you’d want to start using it, read on to learn how two-factor authentication can keep your data secure.

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Video Game – Lost Planet [Wallpaper Abyss]

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This short video lets you have a good luck at a hard drive in slow motion as the actuator arm moves across the disk and then water is added to the equation as well…

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Think you know the answer? Click through to see if you're right!

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Thanks to a mac-hardware emulator for Android, it’s now possible to run Mac OS 7 on the Nook Touch (or other Android-based tablet).

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Earlier this year we shared a clever project that turned LEDs, batteries, and PVC into mini, waterproof, and virtually indestructible lanterns. This remake of the project makes the units rechargeable.

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Subtle, but logical…

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In this nostalgia filled short video, PBS takes a retrospective look at the history and the evolution of early 8-bit video games.

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Like CCleaner on Windows, BleachBit frees space by deleting unimportant files and helps maintain your privacy by deleting sensitive data. And, just like CCleaner, there’s more you can do with BleachBit than just clicking a single button.

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Think you know the answer? Click through to see if you're right!

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This DIY fractal-based HDTV antenna is cheap, easy to craft, and can be stuck unobtrusively on your window for better signal gains.

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The Square Reader is a tiny magnetic credit card reader that has taken the mobile payment industry by storm. This clever hack dumps the credit card reading in favor of snagging the audio from old music reels.

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Most of us have seen a domino knock down or two in our day, but this demonstration video shows how a series of increasingly larger dominoes allow a tiny domino to knock over a 100 pound domino.

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Use Nautilus-Actions to easily and graphically create custom context menu options for Ubuntu’s Nautilus file manager. If you don’t want to create your own, you can install Nautilus-Actions-Extra to get a package of particularly useful user-created tools.

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