Topic: Randomynimity
FearandLoathing's photo
Wed 01/28/09 11:33 PM
12smokin

crissyk1177's photo
Wed 01/28/09 11:36 PM
is it denial or stupidity????

74Drew's photo
Wed 01/28/09 11:41 PM

I got laughed for my cat and dog combination theory.

i think its impossible..btw


i was taught that animals from different species couldn't breed, physically impossible.
cats and dogs are definitely different species.

EtherealEmbers's photo
Wed 01/28/09 11:43 PM

are there cherrio holes??????

I want a bowl of cherrio holes!!!!!!!!!


I'm pretty sure those are called Kix.

OrangeCat's photo
Wed 01/28/09 11:44 PM
fear how ya been bro ??

FearandLoathing's photo
Wed 01/28/09 11:45 PM
Pretty good OC, how about you mate?drinker

OrangeCat's photo
Wed 01/28/09 11:46 PM
been pretty good here

just roaming around on here drinker

EtherealEmbers's photo
Wed 01/28/09 11:50 PM
Here's an interesting random thing... at least they're good for something... lol



Playstation 3 Consoles Tackle Black Hole Vibrations

28 January 2009
9:00 am ET


When black holes are perturbed, they vibrate somewhat like a ringing bell. Now astronomers have narrowed down the rotational speed at which that vibration should stop.

As is typical, they did it out by running a simulation. But instead of a supercomputer, they used a batch of Sony Playstation 3 gaming consoles wired together.

The so-called PS3 Gravity Grid, a network of 16 Playstation 3 consoles grouped together in a cluster capable of running simulations that rival a dedicated supercomputer at a much lower cost.

"You can get a supercomputer's capability with relatively little money," said Lior Burko of the University of Alabama, Huntsville, who led the black hole study, in an interview.

Rather than renting computer time on a supercomputer that could cost $5,000 per simulation, Burko and his colleagues used the PS3 Gravity Grid built by Gaurav Khanna, a physics professor at the University of Massachusetts, Dartmouth.

The cluster can be built for around $6,000, and allows simulations to be repeated at no extra cost. The system is tailored to simulations that require massive amounts of computations, but relatively little RAM memory.

Burko and Khanna used the PS3 Gravity Grid to run simulations that resolved an ongoing dispute over the speed at which spinning black holes stop vibrating just after forming or being perturbed by an outside object. One theory held that the black holes go silent at relatively fast speeds, while another theory contended they went quiet at slower speeds.

According to the new simulations, the gravity wave vibrations from a spinning black hole that's been perturbed would settle out according to the faster of the two theories, though the actual speed will vary, Burko said.

"It depends on the mass of the black hole," he added. "Let's say you're in a spaceship orbiting the black hole and the black hole is perturbed. Then you need to wait a shorter time for the vibrations to settle to a certain amplitude."

The phenomena, Burko said, can be compared to a ringing bell.

"A bell rings, but eventually it gets quiet. The energy that goes out with the sound waves is energy that the bell is losing," Burko described in a statement. "A black hole does exactly that in gravitational waves instead of sound waves. A black hole that is wobbling is emitting gravitational waves. When those vibrations die down you get a quiet black hole."

Gravitational waves are predicted by Einstein's theory of general relativity to emanate from neutron stars and black holes, but astronomers have not yet detected any directly.

The research is detailed in the Jan. 7 issue of the science journal Classical and Quantum Gravity.

While the PS3 Gravity Grid may not be useful for all types of research, for those requiring little RAM but massive computations it can prove a cost-cutting tool, said Khanna, who built a smaller cluster before stringing together the 16-machine grid.

"Science budgets have been significantly dropping over the last decade," said Khanna, who describes how to build a PS3 computer cluster on his Web site. "Here's a way that people can do science projects less expensively."


FearandLoathing's photo
Wed 01/28/09 11:56 PM

Here's an interesting random thing... at least they're good for something... lol



Playstation 3 Consoles Tackle Black Hole Vibrations

28 January 2009
9:00 am ET


When black holes are perturbed, they vibrate somewhat like a ringing bell. Now astronomers have narrowed down the rotational speed at which that vibration should stop.

As is typical, they did it out by running a simulation. But instead of a supercomputer, they used a batch of Sony Playstation 3 gaming consoles wired together.

The so-called PS3 Gravity Grid, a network of 16 Playstation 3 consoles grouped together in a cluster capable of running simulations that rival a dedicated supercomputer at a much lower cost.

"You can get a supercomputer's capability with relatively little money," said Lior Burko of the University of Alabama, Huntsville, who led the black hole study, in an interview.

Rather than renting computer time on a supercomputer that could cost $5,000 per simulation, Burko and his colleagues used the PS3 Gravity Grid built by Gaurav Khanna, a physics professor at the University of Massachusetts, Dartmouth.

The cluster can be built for around $6,000, and allows simulations to be repeated at no extra cost. The system is tailored to simulations that require massive amounts of computations, but relatively little RAM memory.

Burko and Khanna used the PS3 Gravity Grid to run simulations that resolved an ongoing dispute over the speed at which spinning black holes stop vibrating just after forming or being perturbed by an outside object. One theory held that the black holes go silent at relatively fast speeds, while another theory contended they went quiet at slower speeds.

According to the new simulations, the gravity wave vibrations from a spinning black hole that's been perturbed would settle out according to the faster of the two theories, though the actual speed will vary, Burko said.

"It depends on the mass of the black hole," he added. "Let's say you're in a spaceship orbiting the black hole and the black hole is perturbed. Then you need to wait a shorter time for the vibrations to settle to a certain amplitude."

The phenomena, Burko said, can be compared to a ringing bell.

"A bell rings, but eventually it gets quiet. The energy that goes out with the sound waves is energy that the bell is losing," Burko described in a statement. "A black hole does exactly that in gravitational waves instead of sound waves. A black hole that is wobbling is emitting gravitational waves. When those vibrations die down you get a quiet black hole."

Gravitational waves are predicted by Einstein's theory of general relativity to emanate from neutron stars and black holes, but astronomers have not yet detected any directly.

The research is detailed in the Jan. 7 issue of the science journal Classical and Quantum Gravity.

While the PS3 Gravity Grid may not be useful for all types of research, for those requiring little RAM but massive computations it can prove a cost-cutting tool, said Khanna, who built a smaller cluster before stringing together the 16-machine grid.

"Science budgets have been significantly dropping over the last decade," said Khanna, who describes how to build a PS3 computer cluster on his Web site. "Here's a way that people can do science projects less expensively."




Folding@home...well kind of, really just links PC's together so a massive project gets the power of a few million computers instead of just one. Pretty cool stuff actually, look into BOINC if you're interested.

OrangeCat's photo
Wed 01/28/09 11:58 PM

OrangeCat's photo
Wed 01/28/09 11:58 PM
dont do that it hurts

EtherealEmbers's photo
Thu 01/29/09 12:15 AM


Here's an interesting random thing... at least they're good for something... lol


Playstation 3 Consoles Tackle Black Hole Vibrations


Folding@home...well kind of, really just links PC's together so a massive project gets the power of a few million computers instead of just one. Pretty cool stuff actually, look into BOINC if you're interested.


yeah but I'm guessing lots of geeks will use this info to get together and have massive roleplaying game parties... oh wait.. they already do that hehehe



OrangeCat's photo
Thu 01/29/09 12:16 AM
so fear what ya been up to??

FearandLoathing's photo
Thu 01/29/09 09:34 AM
Woah! What a "trip" last night!

This was no ordinary trip though, no this was one of eye-opening consequences! I saw purple doves! Which I'm sure means something of peace, mixed with the color purple...actually not quite sure where my mind was on that one. But good God man, the fire in the sky illuminated the streets and lifted me of my burdens!

Gonna have to do that again soon!smokin

catwoman96's photo
Thu 01/29/09 09:36 AM
if i count backwards from 555,555,555...how far will i get before stumbling (or becoming unconscious)...if i concentrate real hard

EtherealEmbers's photo
Thu 01/29/09 04:26 PM
I've been so stressed lately that I seem to have developed an eye twitch that spazzes off and on for the past month or so.

krupa's photo
Thu 01/29/09 05:10 PM
Two wrongs don't make a right...but, three lefts do.

FearandLoathing's photo
Fri 01/30/09 08:21 AM
Just recieved my cigarette holders...now I can filter the bad sh*t out of my ciggy and still catch cancer.smokin

catwoman96's photo
Fri 01/30/09 08:22 AM

I've been so stressed lately that I seem to have developed an eye twitch that spazzes off and on for the past month or so.


that happened to me last winter...it was no fun...

FearandLoathing's photo
Sat 01/31/09 07:04 AM
Always wondered what kind of person thought of the name Zebra...I personally think it was someone high on something and blurbed "eat it" too quickly.