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Canada

Video Gamers Have Power Over Their Dreams 308

Ponca City, We love you writes "Live Science reports that researchers say playing video games before bedtime may give gamers an unusual level of awareness and control in their dreams, which could provide an edge when fighting nightmares or even mental trauma. 'If you're spending hours a day in a virtual reality, if nothing else it's practice,' says Jayne Gackenbach, a psychologist at Grant MacEwan University in Canada, who says that hardcore gamers represent the leading edge of immersion in virtual worlds that increasingly has come to define a large part of contemporary entertainment and communication. 'Gamers are used to controlling their game environments, so that can translate into dreams.' One intriguing theory holds that dreams are a sort of threat simulation where nightmares help organisms hone their skills in a protective environment, and ideally prepare organisms for a real-life situation. To test that theory, Gackenbach conducted a study using independent assessments that coded threat levels in after-dream reports and found that gamers experienced less or even reversed threat simulation (in which the dreamer became the threatening presence), with fewer aggression dreams overall. In other words, a scary nightmare scenario turned into something 'fun' for a gamer."

Comment Re:My plate is pretty full right now... (Score 1) 479

Name one other profession or trade or area of expertise where expert advice is so routinely ignored for such trivial reasons.

All of them.

It doesn't happen with doctors, lawyers, plumbers, electricians, auto mechanics or insurance agents. /blockquote.

You might want to talk with some doctors, lawyers, plumbers, electricians, auto mechanics or insurance agents. They'll tell you differently. It might happen a little more often to IT professionals, but, trust me, it does happen everywhere.

Comment Re:PowerPoint makes us stupid (Score 1) 233

They actually teach this in the intro engineering classes. Ironically enough with a powerpoint presentation about the subject of make pp presentations. Unfortunately very few of the professors are required to learn this skill, often with the poor practices that you mention or worse.

Comment Re:Taking out capital ships? (Score 2, Insightful) 618

Having an interest in terminal ballistics, I'd like to see some citation for that. While there may be some difference between 5.56 NATO and, say, 7.62 NATO in terms of lethality, I would be willing to bet that the primary contributing factor is shot placement.

We use small calibers because it allows the soldier to carry more ammunition into battle.

Comment Re:Really? (Score 1) 821

Terrorists will always find a way to get explosives on planes if they feel they need to.

Why bother? Thanks to security theatre, they can now simply blow themselves up in the scanner queue, which will kill the hundred or so people packed in there, will probably shut down the entire airport, and will cause the government to rape us even harder than before.

Comment Re:Not even possible! (Score 1) 346

For me the important conclusion of the book is that there is no practical way to fullfill all our current energy needs from "renewable" resources.

That's perfectly reasonable. This is a misrepresentation:

if you actually look at the physics, it is not possible to supply all our current energy needs entirely through solar and wind (renewable) power.

When you look at the physics, it is entirely possible, it just isn't attractive given the area used and the cost of doing it.

Comment Corrosion (Score 1) 367

I quickly scanned TFA, but didn't see what the 'metal' actually was (steel? iron? titanium?). With a vastly larger amount of delicate structure potentially exposed to the environment, I think corrosion could be a significant problem.

Comment Re:Really? (Score 2, Informative) 821

The law covers indecent images of children. They must be engaged in, or appearing to suggest, a sexual act. Photos of naked kids are not illegal, otherwise every parent in the country would be on the sex offender's register. That photo of you in the tin bath when you were two will not get your mum in jail, nor the one when you ran around the garden in the buff because you didn't want to wear powder blue swim shorts.

The guy you reference was previously convicted of having images which were of children engaged in sexual acts. That is what he was originally convicted for. He was convicted the second time for having cartoons which were of the same type of indecent images of children he had previously been convicted for having. Clearly, this man has a sexual desire to (at least) see children engaged in sexual acts, and was therefore prosecuted.

Had the man not been convicted before of a similar offence, I'm fairly certain the outcome (and press coverage) would be considerably different.

Comment Re:How fast? (Score 3, Informative) 314

Yes, the detonation can be faster than the speed of sound but the resulting sound only propagates at the speed of sound.

To get those bursts to propagate to the target at supersonic rates there would have to be combustible gas all the way from the device to the target.

A jet fighter going at mach 2 carries with it a sonic boom traveling at 6 times the speed of sound.
When it passes overhead at an altitude of 6k feet, you see it pass and you hear it 6 seconds later.
The sonic boom travels at mach 2 only because the fighter goes at mach 2, the sound propagates perpendicular to the fighter only at the speed of sound.

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