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November 28, 2009

Calling Video Professor a Scam

palmerj3 writes in to give some wider attention to a piece on Techcrunch today in which Michael Arrington reacts to Video Professor's desperate attempts to shut him up after he called Video Professor a scam in a piece syndicated by the Washington Post. As described by Arrington, the ways the company's site operates (differently depending on where a visitor comes from) are strongly reminiscent of the practices a Senate committee recently condemned. (Here is a detailed example of another, similar scam, from a not-naive victim. Video Professor's tactics sound even more deceptive.) Video Professor seems to react with belligerence, not to mention legal threats, towards any hint of criticism. Please share any direct experiences you have with this outfit.

Read more of this story at Slashdot.


Modeling the Economy As a Physics Problem

University of Utah physicist Tim Garrett has published a study that approaches the economy and its relation to global warming as a physics problem — and comes to some controversial conclusions: that rising carbon dioxide emissions cannot be stabilized unless the world's economy collapses or society builds the equivalent of one new nuclear power plant each day. The study was panned by economists and was rejected by several journals before its acceptance in the journal Climatic Change. "[Garrett discovered that] Throughout history, a simple physical constant... links global energy use to the world's accumulated economic productivity, adjusted for inflation. So it isn't necessary to consider population growth and standard of living in predicting society's future energy consumption and resulting carbon dioxide emissions. ... 'I'm not an economist, and I am approaching the economy as a physics problem,' Garrett says. 'I end up with a global economic growth model different than they have.' Garrett treats civilization like a 'heat engine' that 'consumes energy and does "work" in the form of economic production, which then spurs it to consume more energy,' he says. That constant is 9.7 (plus or minus 0.3) milliwatts per inflation-adjusted 1990 dollar. So if you look at economic and energy production at any specific time in history, 'each inflation-adjusted 1990 dollar would be supported by 9.7 milliwatts of primary energy consumption,' Garrett says. ... Perhaps the most provocative implication of Garrett's theory is that conserving energy doesn't reduce energy use, but spurs economic growth and more energy use."

Read more of this story at Slashdot.


A Dual-Screen 10.1″ Laptop In Time For the Holidays

JoshuaInNippon writes "Japanese computer manufacture Kohjinsha has announced that it will begin selling a 10.1" dual-screen laptop on Dec. 11 — in Japan only. While it is not the first dual-screen laptop, a title claimed by the monstrous 17" Lenovo Thinkpad W700ds series, the Kohjinsha sure looks much more portable and stylish. The Thinkpad's extra screen pulls out slightly from one side for about a 40% increase on its display, whereas on the Kohjinsha's two full separate screens spread out symmetrically from the center. While specs are admittedly lower than the Thinkpad, the DZ series certainly wins on cost. The starting price will be ¥79,800, about $900, in Japan (exporters will likely mark that price up slightly), compared with the Thinkpad at well over $2,000. Kohjinsha says the laptop is great for working on 'large business documents' (e.g. excessively wide spreadsheets), or watching videos while surfing the Web, which is likely what most users will be doing with it. The timing and the price certainly make the Kohjinsha DZ series a tempting toy idea for holiday giving — perhaps to oneself."

Read more of this story at Slashdot.


HandBrake - new version is out, best way to rip DVDs and convert files

Pt 2348
New version of the best ripping tool... If you're on a Mac just make sure to have VLC 0.9.x installed so you can decrypt DVDs via DF.


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Tapering Waveguide Captures a Rainbow

SubComdTaco passes along news of researchers in the US who have trapped a rainbow in a tapering waveguide. The research is described (PDF) on the arXiv. "In 2007, Ortwin Hess of the University of Surrey in Guildford, UK, and colleagues proposed a technique to trap light inside a tapering waveguide [made of metamaterials]... The idea is that as the waveguide tapers, the components of the light are made to stop in turn at ever narrower points. That's because any given component of the light cannot pass through an opening that's smaller than its wavelength. This leads to a 'trapped rainbow.' ... Now Vera Smolyaninova of Towson University in Baltimore, Maryland, and colleagues have used a convex lens to create the tapered waveguide and trap a rainbow of light. They coated one side of a 4.5-mm-diameter lens with a gold film..., and laid the lens — gold-side down — on a flat glass slide which was also coated with film of gold. Viewed side-on, the space between the curved lens and the flat slide was a layer of air that narrowed to zero thickness where the lens touched the slide — essentially a tapered waveguide. When they shone a multi-wavelength laser beam at the... gilded waveguide, a trapped rainbow formed inside. This could be seen as a series of colored rings when the lens was viewed from above with a microscope: the visible light leaked through the thin gold film."

Read more of this story at Slashdot.


RSS of BitTorrent, Programmable Twitter client

My new blogging method is to post stuff where ever it might make sense to do so, and hoping to be able to bring it all back together through various mechanisms.

In the last couple of days I've written three pieces I think Scripting News readers would want to see:

1. Reviewing the RSS generated by BitTorrent sites. The goal to help improve the quality and uniformity of their metadata, perhaps to allow more distributed applications to be built around BitTorrent, and perhaps make the network more robust and useful, and potentially more lucrative for the content owners. But where I'm starting is with the obvious fixes, and there's lots to do.

2. We need a programmable Twitter client. It took me a long time to figure this out, but I think it would be a huge accelerator. Turn over the tools of innovation to power users. It's always been this way, but somehow in the last couple of decades we've forgotten that programming tools belong to users too. Unix, DOS, Lotus, Emacs, dBASE, all pointed this way. Time to go back to our roots.

3. Journos as Ski Patrol. I've been explaining the "reboot" in news by comparing it to skiing in the 50s and 60s, when the amateurs arrived, changing the sport forever.

Tech note -- the first piece was written on a WordPress site, the second on a Tumblr site and the third on my Posterous. My authoring tools let me write for all these platforms, in exactly the same way. All are excellent products, but their capabilities are different.

Microsoft Advice Against Nehalem Xeons Snuffed Out

Eukariote writes "In an article outlining hidden strife in the processor world, Andreas Stiller has reported the scoop that Microsoft advised against the use of Intel Nehalem Xeon (Core i7/i5) processors under Windows Server 2008 R2, but was pressured by Intel to refrain from publishing this advisory. The issue concerns a bug causing spurious interrupts that locks up the Hypervisor of Server 2008. Though there is a hotfix, it is unattractive as it disables power savings and turbo boost states. (The original German-language version of the article is also available.)"

Read more of this story at Slashdot.


The Magic Clock: an awesome Whereabout Clock

Thumbnail image for the_magic_clock_main.jpg

the_magic_clock_movement.jpg

MAKE subscriber bumpercrop writes in to share this excellent Harry Potter-inspired whereabout clock, The Magic Clock. In the story, the clock is a magical item with hands that show the location of each family member. This beautifully constructed remake does the same, except that twitter feeds, a hacked router and a custom clock movement are used in place of unspecified magic. I love the attention to detail, especially the aged brass faceplate and homebrew clock movement that allows each hand to be controlled independently.

Related:

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Herschel Spectroscopy of Future Supernova

davecl writes "ESA's Herschel Space Telescope has released its first spectroscopic results. These include observations of VYCMa, a star 50 times as massive as the sun and soon to become a supernova, as well a nearby galaxy, more distant colliding starburst galaxies and a comet in our own solar system. The spectra show more lines than have ever been seen in these objects in the far-infrared and will allow astronomers to work out the detailed chemistry and physics behind star and planet formation as well as the last stages of stellar evolution before VYCMa's eventual collapse into a supernova. More coverage is available at the Herschel Mission Blog, which I run."

Read more of this story at Slashdot.


What the iPod Tells Us About the World Economy

Hugh Pickens writes "Edmund Conway has an interesting article in the Telegraph where he analyzes where the money goes when you buy a complex electronic device marked 'Made in China,' and why a developed economy doesn't need a trade surplus in order to survive. For his example, Conway chooses a 30GB video iPod 'manufactured' in China in 2006. Each iPod, sold in the US for $299, provides China with an export value of about $150, but as it turns out, Chinese producers really only 'earned' around $4 on each unit. 'China, you see, is really just the place where most of the other components that go inside the iPod are shipped and assembled.' Conway says that when you work out the overall US balance of payments, it shows that most of the cash for high tech inventions has flowed back to the United States as a direct result of the intellectual property companies own in their products. 'While the iPod is manufactured offshore and has a global roster of suppliers, the greatest benefits from this innovation go to Apple, an American company, with predominantly American employees and stockholders who reap the benefits,' writes Conway. 'As long as the US market remains dynamic, with innovative firms and risk-taking entrepreneurs, global innovation should continue to create value for American investors and well-paid jobs for knowledge workers. But if those companies get complacent or lose focus, there are plenty of foreign competitors ready to take their places.'"

Read more of this story at Slashdot.


Pub fined £8K after user infringes copyright with its WiFi

A British pub has been fined £8,000 because someone using the WiFi there allegedly committed a copyright infringement. Even though British law exempts people who provide Internet access from liability for their users' copyright infringements, the pub was still fined (the details of this are confused).
Graham Cove told ZDNet UK on Friday he believes the case to be the first of its kind in the UK. However, he would not identify the pub concerned, because its owner -- a pubco that is a client of The Cloud's -- had not yet given their permission for the case to be publicised...

According to internet law professor Lilian Edwards, of Sheffield Law School, where a business operates an open Wi-Fi spot to give customers or visitors internet access, they would be "not be responsible in theory" for users' unlawful downloads, under "existing substantive copyright law".

Pub 'fined £8k' for Wi-Fi copyright infringement (Thanks, Zoran)

DRM versus innovation

Here's a superb essay on the other DRM problem -- DRM isn't only bad for fair use, it's also a disaster for innovation, because it forecloses on the possibility of disruptive new technologies (you can only build on DRM with permission from the DRM maker; no DRM maker is going to authorize a disruptive innovation that could hurt his bottom line). The paper is by Wendy "Chilling Effects" Seltzer, and will be published in the Jan 25 edition of the Berkeley Technology Law Journal.
First I briefly review the history and existing academic debates around DRM to consider why they have so overlooked the user-innovation impacts. The next sections examine the law and technology of digital rights management, particularly the interaction of statutory law, technological measures, and the contractual conditions generally attached to them. I focus particularly on the "robustness rules" in licenses at at this inter- section. I then introduce the rich literature on disruptive technology and user innovation, to argue that these copyright-driven constraints significantly harm cultural and technological development and user autonomy. I conclude that the mode-of-development tax is too high a price to pay for imperfect copyright protection.
The Imperfect is the Enemy of the Good: Anticircumvention Versus Open Innovation (via JoHo)

Government Delays New Ban On Internet Gambling

The Installer writes with this quote from the Associated Press: "The Treasury Department and the Federal Reserve are giving US financial institutions an additional six months to comply with regulations designed to ban Internet gambling. ... The delayed rules would curb online gambling by prohibiting financial institutions from accepting payments from credit cards, checks or electronic fund transfers to settle online wagers. The financial industry complained that the new rules would be difficult to enforce because they did not offer a clear definition of what constitutes Internet gambling. They had sought a 12-month delay in implementing provisions of the Unlawful Internet Gambling Enforcement Act that Congress had passed in 2006. ... US bettors have been estimated to supply at least half the revenue of the $16 billion Internet gambling industry, which is largely hosted overseas."

Read more of this story at Slashdot.


Make: Holiday Gift Guide 2009: Music Machines

There's been a bunch of great music related kits released recently - just in time for gift-giving season. Add those to an already strong list of tried and true faves and you've got yourself a lot of options for the sonic experimenter this year. Read on for the rundown -



Drum Kit Kit for Arduino - The Drum Kit Kit lets you turn your Arduino into a drum kit. Imagine the fun you could have building a drum kit and then rocking the house! The kit contains the electronic parts required to make a drum kit, including the circuit board, resistors, diodes, and pins. You supply the Arduino and the material to make the actual drum pads. Below you'll find easy instructions on how to make traditional-looking drum pads, but you could also stick the piezos (the part that senses the hits on the drum) to many different surfaces. Imagine playing your desk, lamp, and telephone, and rocking the cubicle!price $18.95
The Drum Kit Kit requires an Arduino Microcontroller Arduino Duemilanove price $34.99

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Saturday Morning Science Experiment: Gravity Is For Suckers

Astronaut Don Pettit--inventor of the Zero-G Coffee Cup--plays with free-floating, head-sized water bubbles on the International Space Station. Make sure you stick around for the third experiment, where Pettit sticks an antacid tablet into one of the bubbles.

Thumbnail image courtesy Flickr user delicate genius, via CC.



Colleges Struggling With the Digital Bathroom Wall

theodp writes "Back in the day, anonymous character assassination was confined to permanent marker scrawl in bathroom stalls. But now, thanks to sites like the student-run CollegeACB.com (ACB=Anonymous Confession Board), which can get hundreds of thousands of hits on a good day, TIME reports that anonymous slander is going viral on campus. Even the most elite universities — normally the land of the politically correct — have been struggling with the problem of anonymous gossip sites and their very un-PC posts, which an Amherst dean likens to 'the worst of junior high.' If he thinks things are bad now, wait until the kids start getting creative with Google Sidewiki."

Read more of this story at Slashdot.


Wikipedia Disputes Editor Exodus Claims

eldavojohn writes "The Wikimedia blog has a new post from Erik Moeller, deputy director of the Wikimedia Foundation, and Erik Zachte, a data analyst, to dispute recent reports about editors leaving Wikipedia (which we discussed on Wednesday). They offer these points to discredit the claims: 'The number of people reading Wikipedia continues to grow. In October, we had 344 million unique visitors from around the world, according to comScore Media Metrix, up 6% from September. Wikipedia is the fifth most popular web property in the world. The number of articles in Wikipedia keeps growing. There are about 14.4 million articles in Wikipedia, with thousands of new ones added every day. The number of people writing Wikipedia peaked about two and a half years ago, declined slightly for a brief period, and has remained stable since then. Every month, some people stop writing, and every month, they are replaced by new people." They also note that it's impossible to tell whether someone has left and will never return, as their account still remains there."

Read more of this story at Slashdot.


OpenSolaris Or FreeBSD?

Norsefire writes "I am in quite a predicament. I decided a while back to branch out and use a new operating system (currently running Debian). After a bit of searching (trying Gentoo, Gobo and Arch along the way), I decided to use something that isn't Linux. Long story short: I narrowed the choices down to OpenSolaris and FreeBSD, but now I'm stuck. OpenSolaris is commercially backed by Sun, has nice enterprise-y tools in the default install, and best of all, a mature implementation of ZFS. FreeBSD is backed by a foundation, has a minimal default install and a rather new (but recently improved in the 8.0 release) implementation of ZFS, however it offers the Ports Collection (I quite like the performance boost due to compiling from source, no matter how small it might be) and a bigger community than OpenSolaris. That is just a minimal mention of the differences. I would be interested to see what the Slashdot community thinks of these two operating systems."

Read more of this story at Slashdot.


Canadian border guards want to be sure that foreign journalists don’t criticise Vancouver Olympics

The Canadian Broadcasting Corporation's As It Happens radio show covers the story of Amy Goodman's recent' border crossing into Canada. Goodman -- host of the US public radio show Democracy Now! -- was coming to Canada to give a speech at a library, and Canadian border guards questioned her intensely about the subject of her talk, even reading her notes for her speech. They were fishing for something, but Goodman couldn't figure out what, until the guards asked her outright whether she was planning on talking about the upcoming Canadian Olympic Games. When she assured them that she hadn't been, they eventually released her (it had been a 75 minute detention) but stamped a control-order in her passport giving her only 24 hours' stay in Canada.

AMY GOODMAN -- As It Happens

WMV link

(Thanks, Bill!)



Flexible, Color OLED Screens For E-Readers

nadiskafadi writes "Taiwanese researchers have shown off several flexible display technologies in an endeavor to promote e-readers and e-paper. One of the newest technologies from the Industrial Technology Research Institute was a flexible 4.1-inch color OLED (organic light emitting diode) display, which it claims is for the next era of portable devices."

Read more of this story at Slashdot.


Flexible, Color OLED Screens for E-Readers

nadiskafadi writes "Taiwanese researchers have shown off several flexible display technologies in an endeavor to promote e-readers and e-paper. One of the newest technologies from the Industrial Technology Research Institute was a flexible 4.1-inch color OLED (organic light emitting diode) display, which it claims is for the next era of portable devices."

Read more of this story at Slashdot.


Tweets while in furlough land screenwriter Roger Avary (Pulp Fiction) back in regular old jail

The web has been buzzing with the odd discovery that Pulp Fiction co-screenwriter Roger Avary was apparently tweeting while serving his sentence in a work furlough program for a fatal car crash. The LA Times now reports that the furlough deal is off, and that Avary was placed back in a regular old jail on Thanksgiving day, presumably because of his tweets. They included details of cavity searches and drug deals witnessed at the furlough facility. His last tweet claimed the "rollup" to jail was punishment for "exercising First Amendment rights."

Stylophone synthesizer at Restoration Hardware

Stylophonenenen
Invented in 1967, the Dübreq Stylophone is a small synthesizer played by touching a built-in stylus to the metal keyboard. It was famously used on David Bowie's "Space Oddity" and Kraftwerk's "Pocket Calculator." I just spotted it in Restoration Hardware's catalog for $29. I was slightly surprised to see it there, but not too much as Restoration usually has terrific gadgets and toys for sale along with their classic (and costly) American home furnishings. For more Stylophone fun, check out the below video of Brett Domino performing a "1980s Hits Medley" on the device. (UPDATE: They're only $20 at ThinkGeek!)




Apple Forced To Clean Up Its Fine Print

Barence writes "Apple has been forced to tidy up its online terms and conditions, at the behest of the UK's Office of Fair Trading. The company has redrafted its Ts & Cs so that it now accepts liability for faulty or misdescribed goods sold from its website or the iTunes store. Apple must also ensure that its conditions are 'drafted in plain or intelligible language' and that they 'do not potentially allow changes to be made to products and prices after an agreement is made.'"

Read more of this story at Slashdot.


Using the Apple LP and Extras format for learning?

Pt 2345
Apple just released some more info on their "LP" and "Extras" format. This is one to watch. I really think the LP and "Extra" format is perfect for learning applications, and best of all it could be delivered via iTunes. MAKE is one of the few (if not only) publications that has a weekly video podcast and distributes a PDF in iTunes right from the pages of MAKE! Our previous experiments have included "Enhanced podcasts" with chapters for how-tos as well as 3D PDFs with embedded 3D models. I could see many books, magazines and learning orgs using this format for almost everything (more so if there's an Apple tablet on the way...)


iTunes LP and iTunes Extras are interactive experiences created to accompany music and movies. iTunes LP lets listeners hear an album and view lyrics, liner notes, band photos, performance videos, and more. With iTunes Extras, viewers can see cast interviews, exclusive clips, behind-the-scenes footage, and photo galleries along with the movie. To create your iTunes LP and iTunes Extras, download these templates — they make it easy to get started. Just drop in your own metadata, artwork, audio files and video files. A detailed “how to” guide gives you step-by-step instructions and support along the way.


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Algae Could Be the Key To Ultra-Thin Batteries

MikeChino writes "Algae is often touted as the next big thing in biofuels, but the slimy stuff could also be the key to paper-thin biodegradable batteries, according to researchers at Uppsala University in Sweden. Uppsala researcher Maria Stromme and her team has found that the smelly algae species that clumps on beaches, known as cladophora, can also be used to make a type of cellulose that has 100 times the surface area of cellulose found in paper. That means it can hold enough conducting polymers to effectively recharge and hold electricity for long amounts of time. Eventually, the bio batteries could compete with commercial lithium-ion batteries."

Read more of this story at Slashdot.


3D Video Game Collaboration Used To Solve Crimes

eldavojohn writes "Reuters explains how the National Science Foundation's Cyber-Enabled Discovery and Innovation (CDI) program is funding research used to implement real life crimes in a CSI-like game. They will use IC-CRIME's laser scanner technology and the Unity platform (which recently enjoyed the release of a freeware version) to recreate the crime scene as closely as possible. The crime scene will then be hosted for multiple remote crime scene investigators to explore concurrently while discussing what they see, sharing their data and experience as well as learning and asking questions."

Read more of this story at Slashdot.


Boing Boing Gift Guide 2009: media! (part 2/6)

Mark and I have rounded up some of our favorite items from our 2009 Boing Boing reviews for the second-annual Boing Boing gift guide. We'll do one a day for the next six days, covering media (music/games/DVDs), gadgets and stuff, kids' books, novels, nonfiction, and comics/graphic novels/art books. Today, it's media!

Here Comes Science: I am thoroughly smitten with the new They Might Be Giants kids' album, Here Comes Science, which ships with a charming DVD of videos and supplementary material. In the best traditions of awesome educational kids music -- Schoolhouse Rock, the Animaniacs, Electric Company -- Here Comes Science combines top-notch pop music with humor that's aimed at both kids and adults (I once heard the creators of Sesame Street discuss how the inclusion of humor targeted at adults meant that grownups were more likely to watch with the kids, and thus be on hand to answer questions and discuss the material; this should be gospel for everyone who makes media for kids). And, of course, the material is great. Better than great. Perfect. This is the album They Might Be Giants was put on Earth to record: they are genuine science nerds, and it shows. Full review | Purchase

Rolling Stone Cover to Cover: The First 40 Years Every issue on three DVDs and works with Windows and Mac. It's fun to search on terms to see when they first appeared in Rolling Stone. "Punk Rock" made its debut in 1973 (though it was about garage punk, not the punk rock that began in 1975). An October 1977 article by Charley Walters called "Punk: Pretty Vacant Music" is the first to mention The Clash. (Walters has good things to say about The Clash, but dismisses punk rock music in general as "overly simplistic and rudimentary. It's also not very good.") Full review | Purchase




The Princess Bride (20th Anniversary Edition):
Justin Watt sez, "the latest cover of the Princess Bride DVD has an amazing ambigram." Indeed it does -- a suitably awesome cover for one of the finest movies ever made.


Full review | Purchase



Glitter and Doom Live (Tom Waits):
Glitter and Doom is the latest Tom Waits CD, a double live-disc featuring tracks from his US/Euro 2008 tour, along with a disc of him basically telling jokes and shooting the shit with the audience. It's a real winner.

Full review | Purchase




Stop Making Sense:
Mine too. This is the best concert movie I've ever seen, one of the greatest albums ever recorded, and the amazing thing is that the trajectory of the band and its components went up from there. I've been listening to the new Byrne/Eno for weeks on heavy rotation and going crazy over it.


Full review | Purchase


Mister Rogers Swings!:
Holly Yarbrough's Mister Rogers Swings! is a fine collection of swinging, jazzy, uptempo covers of songs from classic episodes of Mr Rogers' Neighborhood, with a big, brassy band backing sweet, passionate vocals.


Full review | Purchase



Monster Kid Home Movies:
Monster Kid Home Movies is an utterly exuberant celebration of monster-obsessed amateur creativity, and the films are filled with raw enthusiasm for the genre. These are Forry Ackerman's spiritual progeny at their most ingenious, contriving incredible costumes, ill-advised stunts, clever camera work, and often hilarious hamming to recreate the famous monsters of filmland.

Full review | Purchase


The IT Crowd, Vol 3:
This was the funniest season yet -- the Friendster episode was nothing short of brilliant. The show has hit its stride and is triumphantly stalking the airwaves. Best of all were the shots of the densely decorated set, which was dressed by Boing Boing readers and fans of the show, who sent their favorite nerd memorabilia to the show for inclusion.


Full review | Purchase



Left4Dead 2:
Left 4 Dead -- a first-person, team-play zombie game -- is one of the most compelling, nightmarish, cinematic games I've ever seen. Part of it is the excellent play mechanics, part of it is the music (which has its own AI subsystem to ensure that it follows your play and makes appropriate, dramatic swellings at all the right times), part of it is the superb writing -- but it's mostly the fact that computer generated zombies are supposed to inhabit the uncanny valley, so these undead critters seem incredibly lifelike.


Full review | Purchase



Free to Be...You and Me (Marlo Thomas):
Free To Be... You and Me was one of my favorite movie/record/books when I was growing up. Marlo Thomas's 1972 project brought together an all-star cast to perform songs, poems and sketches that challenged gender stereotypes and delivered a fundamentally humane, loving message about being who you are and not being constrained by society's expectations.


Full review | Purchase


Other installments:


Part One: Kids

Part Two: Media

Part Three: Gadgets



Cassini Captures Saturn’s Northern Lights

al0ha writes "In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known 'northern lights' in the solar system, flickering in shape and brightness high above the ringed planet. The new video reveals changes in Saturn's aurora every few minutes, in high resolution, with three dimensions. The images show a previously unseen vertical profile to the auroras, which ripple in the video like tall curtains. These curtains reach more than 1,200 kilometers (750 miles) above the edge of the planet's northern hemisphere."

Read more of this story at Slashdot.


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