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Earth

Researchers Pooh-Pooh Algae-Based Biofuel 238

Julie188 writes "Researchers from the University of Virginia have found that current algae biofuel production methods consume more energy, have higher greenhouse gas emissions and use more water than other biofuel sources, such as switchgrass, canola and corn. The researchers suggest these problems can be overcome by situating algae production ponds behind wastewater treatment facilities to capture phosphorous and nitrogen — essential algae nutrients that otherwise need to come from petroleum."
Image

Facebook Master Password Was "Chuck Norris" 319

I Don't Believe in Imaginary Property writes "A Facebook employee has given a tell-all interview with some very interesting things about Facebook's internals. Especially interesting are all the things relating to Facebook privacy. Basically, you don't have any. Nearly everything you've ever done on the site is recorded into a database. While they fire employees for snooping, more than a few have done it. There's an internal system to let them log into anyone's profile, though they have to be able to defend their reason for doing so. And they used to have a master password that could log into any Facebook profile: 'Chuck Norris.' Bruce Schneier might be jealous of that one."

Comment Re:But unfortunately... (Score 1) 189

... and few people born before 1990 want to play D&D either! (Perhaps 10% based on the numbers in the article).

If you think that pen-and-paper RPG's are dead, you're sorely out of touch. WoTC has literally lead a resurgence in popularity of D&D w/ their new products, and today's 20yos play as much as they ever did. Want evidence? Go to your local university and look up their gaming club. It'll be packed full of nerddom. Go to your local game store's RPG night and look at the crowd... you'll see 40yos and 10yos playing in the same game, having fun.

I know being an old curmudgeon is fun, but you're just plain wrong that there has been some sort of shift in people's imaginations.
Games

Revisiting the "Holy Trinity" of MMORPG Classes 362

A feature at Gamasutra examines one of the foundations of many MMORPGs — the idea that class roles within such a game fall into three basic categories: tank, healer, and damage dealer. The article evaluates the pros and cons of such an arrangement and takes a look at some alternatives. "Eliminating specialized roles means that we do away with boxing a class into a single role. Without Tanks, each class would have features that would help them participate in and survive many different encounters like heavy armor, strong avoidance, or some class or magical abilities that allow them to disengage from direct combat. Without specialized DPS, all classes should be able to do damage in order to defeat enemies. Some classes might specialize in damage type, like area of effect (AoE) damage; others might be able to exploit enemy weaknesses, and some might just be good at swinging a sharpened bit of metal in the right direction at a rapid rate. This design isn't just about having each class able to fill any trinity role. MMO combat would feel more dynamic in this system. Every player would have to react to combat events and defend against attacks."

Comment Re:re Time for open discussion (Score 1) 1093

In the 1970's the then current and accepted theory by the high priests was that pollution (i.e industrial waste gases) was going to freeze the Earth. Now it is going to burn it.

For someone who claims to be skeptical and demanding of evidence before accepting something as true... why does that go away when you start making claims? You make a mockery of yourself when you claim that there was a accepted theory in the 70's about global freezing. There was no such thing.

There were some articles in Newsweek and similar magazines that made that sort of claim... but they didn't reference any conclusive peer reviewed work.

In short, you're more then happy to make claims without a shred of evidence. Instead of expecting us to show you the data and experiments, if you want to get to the bottom of it... you need to go read, learn, and understand what's already out there. Scientists have done the work; the onus is on you to understand it before you dismiss it.

Games

New WoW Patch Brings Cross-Server Instances 342

ajs writes "World of Warcraft's Wrath of the Lich King expansion was staggered into 4 phases. The fourth and final phase, patch 3.3, was released on Tuesday. This patch is significant in that it will be the first introduction of one of the most anticipated new features in the game since PvP arenas: the cross-realm random dungeon, as well as the release of new end-game dungeons for 5, 10 and 25-player groups. The patch notes have been posted, and so has a trailer. The ultimate fight against the expansion's antagonist, the Lich King a.k.a. Arthas, will be gated as each of the four wings of the final dungeon are opened in turn — a process that may take several months. The next major patch after 3.3 (presumably 4.0) will be the release of Cataclysm, the next expansion."

Comment Re:No Turkey for you... (Score 4, Informative) 286

Tryptophan inducing the Thanksgiving sleep is a nice myth--- but it's a common amino acid, and is actually in a higher concentration in chicken than turkey.

The sleep inducing factor in your favorite November holiday is actually the fact that you stuff yourself. Eat four pounds of chicken and gravy, and then we'll see if you stay awake. :)

Comment Re:Evolution is a theory, and a fact. (Score 3, Informative) 264

You're making a very common error in understanding about what constitutes a scientific fact.

Evolution -is- a fact; evolution has been observed and tested and met the criteria of a fact, just as gravity is a fact. The number of scientific papers where evolution as fact has been observed number in the hundred thousand or millions.

This extraordinary body of evidence consists of numerous tests of evolution, and easily fulfills any common definition of fact.

Evolution is also a theory, in the scientific sense-- which means that it is a broadly applicable set of principles that help explain nature.

Much has been written regarding this; a little use of the 'ol google will provide much more to show you wrong.

Comment Re:Silly scientists.... (Score 2, Insightful) 264

No one said what you think they said.

This is, however, one more piece of evidence to support evolution and one more bit of knowledge that we can use to understand where we came from.

There is no scientifically tenable theory for human origins except for evolution from a common ancestor. It's been that was for about a hundred years. Get over it.

Comment Re:X11 has never been a problem. (Score 1) 542

Well in the application we are talking about there isn't any need for two-way communication.

What? The application we're talking about is X11, and the X11 protocol requires two-way communication. At the very least you have to be able to receive status reports back (success/failure), and there are all those event notifications (key press, mouse movement, etc.) to consider.

Besides, if you look at Stevens' example you'll see only N+1 one-way pipes are required, not 2N pipes (where N is the number of clients).

The contents of that book do not appear to be available online (and I'm not buying it just for this discussion), but from the source-code examples I assume you're referring to the fact that you can use just one pipe for all communication to the server, and separate pipes for communication to the clients. That works, but the server has no way of knowing which client sent a given message (aside from implementing some sort of ad-hoc message signing protocol itself), whereas sockets given each client a secure path to the server so that a misbehaving or malicious client can't send messages on some other client's behalf. Given that creating a socket takes about the same amount of effort as creating a FIFO, I don't see any reason to waste time mimicking sockets with FIFO pairs (even if half the pair is common to all clients).

Interestingly enough Stevens doesn't consider sockets to be an IPC mechanism.

"Oops". That's a fairly embarrassing omission for a book with Unix, network programming, and IPC all right there in the title.

Comment Re:Go to the ABC site - watch video (Score 1) 1146

Pumping the breaks used to work, it doesn't anymore.

See, that's only true in cars with ABS, and they don't all have it.

The only time pumping the brakes even repeatedly will harm you is when you're experiencing a runaway condition and your engine is at WOT, because it is probably not producing enough vacuum to operate them at their full potential. In most vehicles, though, the vacuum storage tank provides enough for a couple decent depressions... and in any case, you don't need that much travel. My vehicles both produce vacuum with a vacuum pump because they are turbocharged diesels, so they will produce more of it at full RPM... so I don't personally have to care about that, and can use my brakes as necessary. The Mercedes does not have any ABS, and the Ford only has it in the rear.

Comment Re:Here's the cure (Score 1) 432

I don't have quite as much of a problem with my local/state taxes going for schools. I kind of consider them to be part of 'infrastructure', much like a police stations and a firehouse.

I have several big problems with my tax dollars going to federally unfunded-mandated, state-specified indoctrination stations. I remember clearly what it was like to go to school in my state, and consider it institutionalized child abuse.

Comment Re:In a target-rich environment? Sure! (Score 1) 652

Calculus tells us that as we increase the speed of the counterclockwise moving arm the number of times the clock is right will increase. Therefore if we increase the speed of the clock to infinite it will be correct infinite times per day and will therefore be perfectly accurate. Albeit dangerous to stand near this clock could double as a plane's tubojet propeller.

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