Become a fan of Slashdot on Facebook


Forgot your password?
Check out the new SourceForge HTML5 internet speed test! No Flash necessary and runs on all devices. ×
The Military

Submission + - Riding the Caspian Sea Monster (

omar.sahal writes: "

In September 1966 an American spy satellite flew over a Soviet naval base on the Caspian Sea and took a series of photographs. The results created quite a stir among the American intelligence community. Their first guess was that this was a conventional aeroplane, possibly a sea plane, but one that was incomplete and much bigger than any aircraft the US had. But when the pictures were examined more closely, intelligence analysts calculated that, even if completed, it would actually fly really badly. This, coupled with the position of the engines, located well forward of the wing, made them realise what they were looking at was something entirely different.

They had stumbled on one of the most top secret military projects of the Soviet era. The object was soon dubbed the Caspian Sea Monster. What they were looking at was, in fact, an Ekranoplan; a wing in ground effect or WIG craft designed to fly at very high speed a few metres over the top of the sea. The Ekranoplan sits clean above the surface and relies on a well known, if little understood aerodynamic phenomenon called "ground-effect".
The bbc has an article and videos of the Ekranoplan in fight (including what seems to be a huge Soviet Ekranoplan in flight)."


Submission + - Wal-Mart ends DRM support (

An anonymous reader writes: So you thought you did well to support the fledgling music industry, and bought your tracks legally from the Wal-Mart store? Well, forget about moving these tracks to a new PC! As they started selling DRM-free tracks last year, there's no money to be made in maintaining the DRM support systems and in fact, they are being shut down. So make sure you circumvent the restrictions by burning the tracks to an old-fashioned CD, before they 'will no longer be able to assist with digital rights management issues for protected WMA files purchased from'. Support ends at October 9.

Submission + - Imageshack problem left IP addresses up for grabs

An anonymous reader writes: According to the Spywareguide Blog, yesterday it was found that it was possible to obtain the IP address of anyone who had uploaded an image to Imageshack. As the blog says, "Considering they have 2+ million uploads a day, that's an awful lot of people to choose from". Once notified, Imageshack worked quickly to fix the problem, but there's no word yet of how long this particular "feature" of Imageshack has been around for. I tried the same technique mentioned on other image hosting sites and it doesn't appear to work on those, so hopefully it's a one-off and not some crazy aspect of image upload sites I wasn't previously aware of.

Submission + - Young Children Can't Learn from Negative Feedback

Hugh Pickens writes: "A study by developmental psychologist Dr Eveline Crone at Leiden Brain and Cognition Lab shows that eight-year-old children learn primarily from positive feedback ('Well done!'), whereas negative feedback ('Got it wrong this time') scarcely causes any alarm bells to ring. Researchers compared the brains of three different age groups by giving them a computer task that required them to discover rules while they lay in the MRI scanner. In the first developmental fMRI study to compare qualitative changes in brain activation during feedback learning across distinct stages of development, while twelve-year-olds were able to process negative feedback, and use it to learn from their mistakes, in children of eight and nine, these areas of the brain reacted strongly to positive feedback and scarcely responded at all to negative feedback. "The information that you have not done something well is more complicated than the information that you have done something well," says Crone "Learning from mistakes is more complex than carrying on in the same way as before. You have to ask yourself what precisely went wrong and how it was possible.""

Submission + - High Volume Role Based Email

kjh writes: "I need an email system to manage a millions of large email messages spread across a very small number of role-based mailboxes. I need a programmatic (e.g., python, perl, etc.) interface to support message processing. I need a secure multi-user mail user agent model. Most email systems are designed for large numbers of small messages spread across large numbers of individual mailboxes for use by single-user mail user agents. The underlying storage systems are generally too inefficient for use with high volume role-based accounts. Certainly I'm not the only person who could use something like this. What are other people using? Are there open source projects working in this space? I'm not finding much. Slashdot doesn't even have an Email topic."

Submission + - Apple Silencing Rejected Appstore Developers ( 2

MarkvW writes: This should add fuel to the fire. Apple is apparently slapping nondisclosure agreements on developers who get rejected from the Appstore. I got this from Anandtech which got it from DailyTech.

Slashdot Top Deals

Doubt is not a pleasant condition, but certainty is absurd. - Voltaire