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Earth

Humans Will Need Two Earths By 2030 738

An anonymous reader writes "A recent report warns that humans are overusing the resources of the planet and will need two Earths by the year 2030. The Living Planet Report tells that the demands on natural resources have doubled in the past 50 years and are now outstripping what the Earth can provide by more than half."

Comment Re:Sounds cool, but... (Score 4, Informative) 316

The location of the plant in Priolo Gargallo is not that far from the Sahara. It's actually a little more south than the northernmost part of the Sahara in Tunesia, which is roughly 250 miles west of the plant. The solar radiation will be roughly equivalent, no need for undersea cables. Most importantly Sicily is a (slightly) more stable region that does not rely on income from oil like many of the North Sahara states.

Comment Re:Gravis? (Score 1) 262

I second this. Or get the i-pac, some joysticks and buttons from the ultimarc site and put it in an mdf board. 2 hours work to create the joypad, many hours of bubble bobble fun to follow.

I still intend to make a full mame cabinet, but for now just the joypad is finished.

Programming

Zen Coding 175

Download Squad has a quick review, with video, of Zen Coding (Google Code project page here), an extremely well-thought-out accelerator for anyone who codes HTML. Its syntax is CSS-like. Zen Coding has been around for a while — here's its author Sergey Chikuyonok's introduction in Smashing Magazine from last November — and it has now picked up support for more than a dozen editing environments, including Notepad++ and TextMate.

Comment Re:I do that for Gentoo all the time. (Score 1) 244

Get over it. Spam is a fact of life, deal with it. Fact is, if you have an older e-mail address you'll get spam. A couple of years ago it was a problem. Nowadays there are quite effective filters, which you need anyway.

I stopped being paranoid a couple of years ago and no longer worry about spam (use my my e-mail uncloaked, ). The amount of spam I got quadrupled in half a year (from about 25k to about 100k spam/month), but at those levels it didn't really matter anyway. I get two or three false negatives a day, big deal.

Math

Help Me Get My Math Back? 467

nwm writes "I am trying to refresh my math skills back to the point that I can take college-level statistics and calculus courses. I took everything through AP calculus in high school, had my butt kicked by college calculus, and dropped out shortly thereafter. Twenty+ years later, I need to take a few math courses to wrap up a degree. I've dug around some and found a few sites with useful information, but I'm hoping the Slashdot crowd can offer some good resources — sites, books, programs, online tutors, etc. I really don't want to have to take a series of algebra-geometry-trig 'pre-college' level courses (each at full cost and each a semester long) just to warm my brain up; I'd much rather find some resources, review, cram, and take the placement test with some confidence. Any suggestions?"
Security

Anatomy of a SQL Injection Attack 267

Trailrunner7 writes "SQL injection has become perhaps the most widely used technique for compromising Web applications, thanks to both its relative simplicity and high success rate. It's not often that outsiders get a look at the way these attacks work, but a well-known researcher is providing just that. Rafal Los showed a skeptical group of executives just how quickly he could compromise one of their sites using SQL injection, and in the process found that the site had already been hacked and was serving the Zeus Trojan to visitors." Los's original blog post has more and better illustrations, too.
Google

Yes, Google Does De-List Pages; But When? 133

Frequent Slashdot contributor Bennett Haselton writes "Google finds itself inserting a disclaimer once again above some offensive search results. But the disclaimer still leads many to believe (incorrectly) that Google doesn't tamper with search results even in cases of 'harmful' or 'offensive' material. We know that Google has in fact de-listed some pages at the request of offended parties. What is their real policy on the issue?" Read on for Bennet's essay.

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