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 Sunday, May 19 2013 @ 05:31 AM PDT
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Extremely Clever: Hand drawn holograms

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Science & TechnologyBy making scratches in a piece of clear plastic, you can create crude holograms viewable in normal light. Learn how at the link.
 

Large Hadron Collider: Pretty Pictures

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Science & TechnologyThis article has many excellent pictures of the gigantic machines that make up CERN's Large Hadron Collider. Even if you don't care about subatomic physics and the nature of reality, the pictures are astonishing.

Bonus content: an article which explains how the LHC will not destroy the world, and some photos and plain-English summaries of what the LHC is actually looking for.
 

"Raising the Dead," the last dive of Dave Shaw

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Science & Technology"At the bottom of the biggest underwater cave in the world, diving deeper than almost anyone had ever gone, Dave Shaw found the body of a young man who had disappeared ten years earlier. What happened after Shaw promised to go back is nearly unbelievable—unless you believe in ghosts."

This is a very interesting (and sobering) article on the dangers of cave diving. The cave in the piece is the third-deepest freshwater cave in the world, over 900 feet. Shaw's last moments were captured on his video camera, and the footage made it onto TV and then onto the net.
 

Hexanoic Acid Smells Like Goats

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Science & TechnologyYou might not think that a blog dedicated to organic chemistry would be funny, but you'd be wrong. Chem geeks, click on over and browse around. Bonus: Measurement of Gravity Using Cryogens; or, what happens when a 500 lb dewar of liquid nitrogen falls down the stairs.
 

Chemistry sets, model rockets, and more may become illegal in the US

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Science & Technology

The Consumer Product Safety Commission is trying to ban the private ownership of a lot of common chemicals and granulated metals. The items on the list all have some naughty uses, but they also have an awful lot of legitimate uses. If this goes down, you'd need to have a Federal explosives manufacturing permit to have the materials on the list.... materials like "salicylate compounds," which read literally would prohibit posession of aspirin.

Passing overly broad laws is just a bad idea, no matter what your politics. Are model rockets really a threat to national security?

For more information on the CPSC injunction, see this page at United Nuclear, which contains the complete text. (There is a donation link on the page, but I do not know anything about the legal defense fund they are promoting.)

Update: Here is an article at Wired about the raid on United Nuclear.

 
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Original Xbox security overview article

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Science & TechnologyHere is an excellent article called "17 Mistakes Microsoft Made in the Xbox Security System." Portions of it are very technical, but anyone who understands the basics of how a computer works will be able to understand it.
 
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Secure Beneath the Watchful Eyes

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Science & TechnologyCheck out this London poster telling you that you are being watched by video cameras. Way to go, London, that is downright creepy.

Credit where it is due: I ripped this from some comment on Slashdot. Thanks for sharing that picture, ToastyKen.
 
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Pure elemental samples for sale

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Science & TechnologyIf you were just saying to yourself, "I'd sure like a sample of pure titanium or maybe monocrystalline tungsten as a conversation piece," then boy do I have the site for you.
 
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Tempel 1 impactor video

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Science & Technology

NASA has released a QuickTime movie showing the Deep Impact mission's approach to comet Tempel 1. The impact released energy equivalent to about 4.5 tons of TNT.

As someone on Fark said, "That's for the dinosaurs, biatch!"

 
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Bionic suit offers wearers super-strength

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Science & TechnologyLink
 
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