Saturday 25 June 2011

It's Brooklyn-Queens Day (aka Anniversary Day)

Besides being Thursday, today is Brooklyn-Queens Day, which is also known as Anniversary Day, and NYC public school children have the day off (that's why you may see more kids than usual). The day originally celebrated the founding of the first Sunday School on Long Island. Really.
According to the Queens Public Library:
Brooklyn-Queens Day originated as a Protestant holiday celebrated in the City of Brooklyn in 1829. Back then it was known, and fondly remembered by some, as Anniversary Day. Anniversary Day is celebrated annually on the first Thursday in June, commemorating the founding of the First Sunday School on Long Island. The first parade was held in Brooklyn June 1829. The New York State Legislature enacted, in 1959 at the request of the Queens Federation of Churches, the bill permitting the schools in both Kings and Queens Counties to be closed on this day. It was signed by Governor Nelson A. Rockefeller.
Now all students in all NYC counties get the day off, while their teachers must endure Chancellor's Conference Day. Teacher "Miss Eyre" at NYC Educator thinks about her students, "My dollbabies will undoubtedly be celebrating by sleeping late; catching up on Degrassi, Maury Povich, and Call of Duty: Modern Warfare; and, I hope to God, finishing their social studies exit projects. Somehow I doubt that any of them will be commemorating the vital role that Sunday School, Brooklyn, or Queens has played in their lives. I suppose that's all right. If I were at home, I probably wouldn't be doing any of those things either."

Five People Shot on Boardwalk in Brighton Beach

Five people were shot along the boardwalk in Brighton Beach, Brooklyn, Thursday afternoon during a mini heat wave that had packed the city’s beaches.
Two of the victims are badly wounded, the authorities said.
The shooting took place around 5:20 p.m. on the boardwalk near Brighton Sixth Street, the Fire Department said.
The shooting unfolded on a day when a mini-heat wave and a school holiday sent hordes of people to Coney Island and Brighton Beaches, which were teeming with beachgoers  —  many of them teenagers  —  trying to escape temperatures approaching 100 degrees.
Saya Suzuki, 30, was just about to sit down inside a boardwalk restaurant with her six-year-old daughter, Sonya, when the shooting began just outside. Ms. Suzuki said she heard about six shots, then grabbed her daughter and saw two teenagers run by her.
“I just picked up my daughter and got away from the bullets,” she said. “It happened so quickly and I had to protect my daughter.”
As the police roped off the scene and combed the boardwalk, Ms. Suzuki, still terrified, stayed in the restaurant for two hours waiting for her husband. She said she had noticed other incidents earlier in the day that worried her.
“I think some gang things were happening because we heard some shots one hour earlier,” she said.
The two most seriously injured people, a man and a woman, were taken to Coney Island Hospital, where they are in critical condition, the Fire Department said. A second man, whose condition was not available, was also taken to Coney Island Hospital, the department said.
A fourth victim, a man, was in serious condition at Lutheran Medical Center, the Fire Department said. A fifth victim’s injuries were not life threatening, the police said.
There have been no arrests, the police said.

One dead, four others wounded in Brooklyn boardwalk shooting

(Reuters) - A woman was killed and four men were shot on Thursday afternoon when bullets starting flying on a popular Brooklyn beach boardwalk, police said.
The Brighton Beach boardwalk, just east of the famed Coney Island beach and amusement area, was packed with youths on the annual Brooklyn-Queens Day, a day off from school for students in the city's five boroughs.
Five people were shot on the boardwalk, including one woman who later died, NYPD Deputy Commissioner Paul Browne said. One was listed in critical condition and the injuries to the other three were not considered life threatening, he added.
Browne said two people fired into crowds on the boardwalk from the beach. It had not yet been determined whether the victims were the intended targets or bystanders, and the investigation was ongoing, Browne said.
Two people were being questioned but had not been named as suspects.
The victims were believed to be in their late teens or 20s, Browne said, but initial identification was difficult because most had been brought to area hospitals wearing only swimsuits.
Temperatures in New York City reached 95 degrees on Thursday, making beaches a big draw on a school day off.
Brighton Beach is a popular city beach destination just east of Coney Island and easily reachable by subway. The area is home to a large, growing Russian immigrant community.

1 Dead, 4 Injured In Brighton Beach Boardwalk Shooting (Video)

shooting broke out on the boardwalk at Brighton Beach around 5:20 p.m., injuring four men and one woman, who later died. With public schools closed for Brooklyn-Queens Day and the weather conditions sweltering, the beach was packed. A police source pointed to empty malt liquor bottles and told the Post, "It’s a bad combination of guns, heat, beer and angry young men."
It seems that a feud broke out between two groups, creating a chaotic scene. According to the Daily News, "One man used an umbrella to crack another man in the head, as the fight erupted near Brighton 6th St. about 5:20 p.m. Then a gunman squeezed off about eight rounds into a crowd." Bystanders took cover and rushed into restaurants and other businesses. Here's video after the shooting:

A community leader, the Brighton Neighborhood Association president Pat Singer, told the News that violence occurred around the same time previous years, "They get into turf wars. It happens every damn year. Feuds break out."
On Twitter, djslicknick wrote, “Just watched some idiot kid let off 8 rounds into a crowded beach. Some people have no sense. I'm never going to Brighton beach again," and then added, "yeah I saw like 4 ambulances... I saw the kid let off the shots.. It was a madhouse I just got on the train." Later, he Tweeted, "yoooo detectives showed up to my house this is nuts!!!" "I'm kinda nervous right now the detectives are taking me to their precinct in bk" and finally replied to another person "I have nothing to snitch about I don't know anyone."
Police say that two people fired shots into the crowd and two people were being questioned. It's unclear if the victims were the intended targets (the News suggests at least two were bystanders)—beyond the female victim who died, a male victim is in critical condition while the three other male victims did not have life-threatening injuries.









Thursday 23 June 2011

Shooting the 3-Barrel Rapid-Fire Pole Cannon

Shooting a Public Defender

Shooting Suppressed .22 Pistol

Shooting .22 Pistols at 100 yds

Shooting Tips by Rob Leatham, Springfield pistols

How to shoot a pistol.

82mm Mortar Fail

The Russian Sniper

OpenDNS – What is OpenDNS and Why You Absolutely Need It ?



When you type an address like www.yahoo.com in your browser address bar, the computer doesn't know where yahoo.com points to and it will therefore ask the DNS server.
The job of a DNS server is to translate this human-readable web address (like www.yahoo.com) into a computer-readable number also known as an IP address (209.131.36.158). Once your computer knows the IP location of a web domain name, it opens the website in your browser.

DNS is such an integral part of our Internet life working behind the scenes every time we connect to a website. In most situations, our Internet Service Provider specifies the DNS Server address that we key into the browser network settings or the router.
Unfortunately, this can prove to be the weakest link in the entire workflow. For example, if the DNS server of your ISP is slow, the time it takes to resolve the web address adds up to the overall loading time of the website.
To solve this problem, we look at a simple and reliable service called OpenDNS that speeds up your Internet connection and also handles some other very important issues. There are no software to install, it’s very easy to set up and the price is just right - $0.
To use OpenDNS, all you have to do is open your Network Connections or Router’s settings page and update the default DNS server to point to the OpenDNS nameservers that are 208.67.222.222 and 208.67.220.220.
The whole process takes a few seconds but with this single step alone, you just made your computer safer and increased the overall browsing speed. Here’s why:
Unlike the DNS servers of your less reliable ISP, OpenDNS servers store the IP addresses of millions of websites in their cache so it would take less time to resolve your requests. So if you have asked for an IP address of a website that has been previously requested by another OpenDNS user, you will get the reply instantly.
 Another huge advantage of using OpenDNS is that it blocks phishing websites from loading on your computer. It uses data from Phishtank, a community site that is also used by Yahoo! Mail to determine if some particular website is part of any online phishing scam.
OpenDNS also takes care of any typos that you commit while typing the name of popular websites. For instance, if you type www.gogle.com omitting the additional “o” by mistake, OpenDNS will open the main www.google.com site automatically.
If you are a parent worried about kids visiting adult websites on the home computer, you can configure OpenDNS to block any adult website from loading on the computer. In fact, quite a few business places use OpenDNS to block social sites like MySpace and Facebook on employee computers.
Power users can assign abbreviations or OpenDNS Shortcuts to access their favourite websites more quickly.
For instance, you can set “mail” as a shortcut for http://mail.google.com/ or something like “a” for www.reallylongname.com - just type the shortcut to access the site. A good alternative for browser based bookmarks and it works across all computers where you have logged in to your OpenDNS account.
Now that you are prepared to switch to OpenDNS, please don’t expect huge gains in browsing speed since OpenDNS only improves the cycle between your computer and the DNS server.
And do keep handy the old DNS settings given by your ISP as you may need them in the extreme scenario when OpenDNS system goes down or you want to disable / remove OpenDNS completely from your computer.
www.opendns.com [Piece written for Financial Express newspaper]

Reader Comments
OpenDNS is an awesome and smart service. Have been using it for quite sometime. My first change of setting when I setup a new Wi-Fi or any Internet connection is to change the DNS to OpenDNS.
The recent introduction of features like Bandwidth, Data, Traffic usage is awesome.
This can also be one stop solution for offices where selective sites can be blocked or allowed during specific hours. Setup once and you can trasnfer settings between your pre-defined networks.
But i makes no sense if the connection to your ISPs DNS is much faster?!
I’ve got a ping of 25ms to the DNS of my ISP, to the Open-DNS it takes 40ms. So i think it could be slower for me to use Open-DNS…
Is there a tool to check the duration of IP resolving? So we could compare DNS speeds…
Yes, definitely worth the switch, especially for shortcuts and filtering, we’ve been using it since Summer 2007.
db
Thanks for the great write-up.
@Resolver — Ping time isn’t the only measure of speed. Cache, internal response time, connectivity of nameserver, etc also play a role. If you’re 25ms from your ISP and 40ms from us, give us a try. You’ll like what you find.
Yup, have been using it for over an year now, and I highly recommend it.
For the response time, a lot of times its not just the response time from your ISPs DNS server, but also the ability for that server to resolve quickly.
I have noticed that OpenDNS is usually VERY fast to update any changes around public DNS. I have worked with many DNS services and many websites. Whenever I change the DNS Settings somewhere, the fastest to reflect those is OpenDNS.
Like I said, highly recommended.
LIke Resolver, I’d like to test DNS response times myself. Certainly there must be UNIX command to do this. (I’m running OS X.) Can someone help?
I have been using it for some time now – and it has my vote.
I even keep their DNS address on a paper – so that I can put it in my friends system too(I am the linux install guy for my fiends).
I’ve come across this term few weeks back, but didn’t mind it a lot. Now your post gives me a good insight to it. Thanks.
I wrote: “LIke Resolver, I’d like to test DNS response times myself. Certainly there must be UNIX command to do this. (I’m running OS X.) Can someone help?”
Found the answer myself: use dig in Terminal.
I switched to OpenDNS about 3 months ago to get away from Verizon hijacking my error traffic (i.e. ‘typo correction’) and re-directing to a search result full of ads. So a few months later “Open”DNS (OpenDNS is NOT Open Sourced) is now doing the same thing, also providing me with a fat banner whenever a url load times out. A lot of these new ‘features’ like storing your traffic data make me wonder what their end game is. If you need the option to police the internet at home or in the office (i.e. restrict access to specific sites or porn) perhaps OpenDNS is for you, but otherwise I see no advantage for using it over your default ISP DNS. What we need is a real Open DNS provider.
Looks like the alternative DNS server address you noted above may be incorrect. You entered 208.67.222.220. Should be 208.67.220.220.
link
What about Torrents ? I am sure OpenDNS wont allow to open traffic for Torrent downloads(even the legal ones)
I get faster page loading using the Verizon DNS server than I do the OpenDNS server.
Being in Australia my iinet one is best. However for when that fails opendns is set as dns server 2.
I discovered opendns last week. I found my husband has a little short coming PORN. I realize since yesterday that I opendns website is not logging as it should. Do anyone have any idea why this is happening. I cannot see the diifernt things I want to blovk or unblock. I spend over twelve hours dealing with this. Please help.
Brenda, web blocking is intended for children and employees on the clock, not for one adult to limit the freedom of another to view what they choose in this free country. Your opinion of pornography or your insecurity about your husband’s sexual desire (or lack thereof) for you does not negate his liberty to enjoy it as a free-thinking adult in a democratic society. Have you considered an open and honest conversation with him about your feelings regarding this topic? Perhaps that would be the place to start. It would probably take far less than 12 hours and you may actually come up with a solution that you could both consentually live with. If not, there’s always divorce… dishonesty, control and desperation are far worse than porn in my book!!!
Well said, Freedm. Could it be that this sort of unhealthy Victorian smothering is why he is looking elsewhere in the first place? Take away his puter porn and he may just have to go outside the house in order to satisfy his unfulfilled needs elsewhere.
OK, I wasn’t going to add to this discussion about OpenDNS since this is not the first time I have gotten a bum steer about “hot” stuff out there from PCPitstop. But since I am here, I will share my experiences with this DNS “server”.
Somebody above mentioned about some ads or banners, which brings me to my first question when I checked out their website: Why is it free and how do they make their money? I mean is this some generous humanitarian gesture from some fat cat who wants to give back to the world, or is there some other angle? Nothing about their company in their website answered this question.
OK, then I followed the instructions and changed my DNS Server in my Actiontec router. In its own control panel it told me the new DNS was just like it was supposed to be. Cmd verification using nslookup on my puter said the same thing: 208.67.219.99. OK, in their example the last two sets of digits may have been a bit different, but not by much. Maybe 102 or something, I think it was. But in the tutorial I could not go on to register because it kept saying “Oops, you are not using OpenDNS yet. Well, yes I am too! :-P
So I go ahead and register and then try to log in and it tells me that I have not verified my registration because I never answered the verifier email. Well, that’s cuz it never came, dummy! You click here and you can re-request a verifier email, but that never came either. I went to my email client to see if it landed in the spam folder, but no email. The PCPitstop original email that I reopened to look at again took longer to load. In fact, I had to hit Refresh just to get the images to load on the email. That’s when I pulled the plug on this marvelous invention and went back to the DNS Server that Verizon had assigned me to and got right back up to speed.
I hadn’t realized how good I had it! LOL I’m taking this as an omen that my reluctance to glom with glee onto anything on the net that is hawked as free is wise practice indeed… and getting wiser all the time.




Tuesday 21 June 2011

How do I add the Following gadget to my blog?

How do I add the Following gadget to my blog?

Microsoft unveils Windows 8 (video)

We're live from Microsoft Windows president Steven Sinofsky's keynote at D9, and there's something rather exciting on stage -- a pair of experimental Windows 8 dev boards running an OS that looks very much like Windows Phone 7's Metro UI. All Things D actually sat down with the man earlier today and got a sneak peek at what to expect starting with the live tiled screen you see above -- and yes, like Windows Phone 7, this OS is designed for touch.

There'll be two kinds of applications for Windows 8, one that runs in a traditional desktop, and the other pseudo-mobile apps based on HTML5 and Javascript, but both environments -- rather, the entire OS -- have been designed from the ground up for touchscreen use. Keyboard and mouse will still be options for both sets of programs, but there are multiple virtual sets of keys for different form factors, including a split keyboard for vertical slate use. Multitasking is simply a matter of swiping running apps into the center of the screen, and you can pull windows partway to "snap" them in place alongside other windows -- even mixing and matching traditional desktop programs with web apps simultaneously (like Twitter alongside your spreadsheet). There's a new version of Internet Explorer 10 (which runs Silverlight) and an app store built into the touchscreen interface, along with integrated services like Office 365. Microsoft says the new OS will run on laptops, tablets and desktops when it appears -- whenever that might be.

All Things D didn't have any details on when we'll get pricing or availability, but we're looking at some Intel Atom-based demo units on stage right now, and Microsoft says it will have ARM designs (the OS will support NVIDIA, TI and Qualcomm) viewable on the Computex show floor, and more will be revealed at the Build Windows developer conference in September. We should note that "Windows 8" is just a codename for what we're seeing here -- "we'll figure out the real name in due time," Sinofsky told the crowd -- but we don't see much harm in calling it Windows 8 for now.

Update: Video after the break!





Windows 8 Screenshots: 3rd-party-concepts

Many people have their very own idea what Windows 8 should look like, how users should navigate, how it should feel to use the system and what colors should be used for Windows 8.
Here’s great screenshot of a Windows 8 3rd-party concept:
The circular wheel with shortcuts to different important Windows functions is a common concept, but is still a missing feature in Windows. Will Windows 8 change that?

Another concept that also includes the circular wheel reminds of Ubuntu, because of the light-brown colors:
We will post any new shots here:

SUZUKI LATEST

SUZUKI IS NOW A DAYS RUNNING IN ALL OVER THE WORLD. NOW SUZUKI ANNOUCES NEW MODEL OF CAR SUZUKI 3 DOORS

SUZUKI ALTO

SUZUKI ALTO IS NOW AVAILABLE IN DIFFERENT COLOURS. PRICE DIFFERENCE IS ONLY DEPEND ON COLOUR. WHITE COLOUR IS CHEAPER THEN THE OTHERS.

BMW X-5


BMW X-5 IS THE FASTEST CAR OF THE BMW SERIES. FULLY AUTOMATIC.

Monday 20 June 2011

BMW X-7

BMW X-7 LATEST MODEL AVAILABLE NOW IN 6 WHEELS. FULLY AUTOMATIC WITH OPEN ROOF.

BMW LIMOZIE






BMW LIMOZINE IS NOW AVAILABLE IN DIFFERENT COLOURS WITH A HUGE SEATING CAPACITY, WITH ALL FACILITIES.










Friday 17 June 2011

Microsoft Store

Microsoft Store
http://www.microsoftstore.com/store/msstore/DisplayHomePage
Windows, Office, Software, Computers, Xbox 360, Enterainment, Phones, Small business ,Developers Store Picks

INTEL PRODUCTS

Intel Products
http://www.intel.com/products/processor/
All Pc in One Computer.

Taliban's Reign of Fear Spreads in Pakistani City

PESHAWAR, Pakistan -- A few days ago, Peshawar police advised Manzur Khan to shut down his video store. The reason: information that the Taliban, who consider movies un-Islamic, were planning to blow it up.
Mr. Khan is complying, liquidating his stock of Bollywood dramas and pirated American blockbusters. "Customers are not coming anymore because of the fear," he says. "Our business has totally collapsed."
The fear is well justified. A few hundred yards from Mr. Khan's store, a car bomb that targeted an Internet café -- which offered another activity prohibited by the Taliban -- killed 13 people on Saturday. Other recent explosions ripped through women's clothing stalls, Sufi religious shrines and girls' schools as Islamist insurgents tightened their noose over this strategic city of three million people.
"The Taliban often come into the city from surrounding areas to terrorize, to spread panic and fear," Peshawar mayor Mohammed Umar Khan says. "We in Peshawar are paying the price, losing our people, our economy and our businesses."
The Pakistani military is now engaged in an offensive to drive the Islamist militants from the nearby Swat Valley. U.S. Secretary of State Hillary Clinton said Tuesday the U.S. was sending $110 million in emergency humanitarian aid to Pakistan, including food, water and tents for refugees from the fighting, which began after the Taliban tried to expand the territory under their control.
The Taliban are unlikely to seize Peshawar, the capital of the troubled North West Frontier province and headquarters of the Frontier Corps paramilitary force.
But, through a campaign of bombings, kidnappings and murders, the militants are increasingly imposing on Peshawar the rigid religious restrictions that are already enforced in Swat, Waziristan, and other northwestern areas that have succumbed to Taliban control.
Such "Talibanization" is a grim setback for a storied city that braced itself for revival when a secular Pashtun nationalist movement, the Awami National Party, won provincial elections last year, ousting a coalition of religious parties. At the time, the ANP promised to reverse many Islamist-imposed restrictions, such as a ban on Pashtun traditional music performances in Peshawar's main concert venue, Nishtar Hall.
Instead, the ban stayed in place, in a city that's becoming increasingly more conservative because of the Taliban threat -- and that many secular residents abandon for Islamabad or Karachi. Mr. Umar Khan, the mayor, says the new administration held award ceremonies for Pashtun musicians in Nishtar Hall, but couldn't risk letting award winners showcase their talents. "We fear that if we allow the music, the show will be bombed," he says.
In addition to going after businesses they deem un-Islamic, the Taliban often strike Peshawar warehouses and convoys that supply U.S. and allied forces in neighboring Afghanistan -- choking the coalition's main supply route. They have attacked Sufi shrines, seeking to eradicate an Islamic tradition that's widespread across Pakistan. Even doctors at Peshawar's main hospital have been ordered by the Taliban to stop wearing Western clothes, and to adopt the loose-fitting national dress known as shalwar kameez.
With Taliban spies roaming the streets, the fear is palpable in Peshawar's bazaars, where many are reluctant to be seen talking to a foreigner, and glance around with visible discomfort during a conversation.
"Everyone's scared here," says Qassem Ali, the owner of a shop that sells colorful, silver-laced women's garments in Peshawar's Ladies Market, where another bomb went off Saturday. "The Taliban want every woman to be burka-clad. Women fear that anyone who comes here will be targeted, and are staying at home. We sit idle from morning till evening."

Nobody took responsibility for the latest attacks, but Mayor Umar Khan blamed Mangal Bagh Afridi, a former bus driver who has become an Islamist warlord in the Khyber tribal agency adjoining Peshawar. The militant belongs to a loosely coordinated network of Taliban groups that includes militants led by fiery radio preacher Maulana Fazlullah, who is currently fighting the Pakistani army in the Swat Valley, and the Waziristan militias commanded by Baitullah Mehsud, whom the Pakistani government blamed for assassinating former prime minister Benazir Bhutto in 2007.
Omar Mullah's original Taliban militia that once ruled Afghanistan is believed to be based in Baluchistan province, which neighbors North West Frontier.
Spreading outside the lawless tribal areas along the Afghan-Pakistani frontier, Taliban groups have shut down video stores and Internet cafés in much of the North West Frontier province. In the Swat Valley, in particular, they focused on eradicating girls' education, blowing up some 200 schools and branding female teachers "prostitutes."
The school-bombing drive is reaching Peshawar, where a girls' school was blown up last week. "They don't want Pashtun children to be educated -- this way they can rule them with their guns," says Sardar Hussain Babak, the provincial minister of education.


Tuesday 14 June 2011

SMS

SMS
http://www.sms.com/ 
THE SMS DIFFERENCE
Experience...
...A company that is as dedicated to its employees as it is to its customers. Because of the nature of the IT industry, we are constantly exposed to a complex and ever-changing technical environment. In light of this, we take pride in the ingenuity and flexibility of our employees, and their ability to adapt and innovate as the industry continues to grow. As a company we are committed to supporting our employees and nurturing them as they continue to grow personally and professionally within SMS.
Grow...
...With a small, Veteran-owned business that can boast over three decades in the IT industry. The Company is justifiably proud of its record of excellence, and equally proud of the achievements of the SMS employees who have made this record possible. Individual career opportunities will expand with our collective imaginations and continued dedication.
Have Fun!
At SMS our sense of community is strong both in and out of the office. We enjoy many social events together after work, including bowling, happy hours and softball games.
The success and growth of SMS could not have been accomplished without the dedication and commitment of our employees. Each one of us plays a vital role in the overall effectiveness of SMS. We never loose sight of the fact that our continued success as a company depends on our most valuable asset: the SMS Team of employees.

Send SMS

BitTorrent

BitTorrent
http://www.bittorrent.com/downloads/complete?os=win
BitTorrent hadn't seen a major update in about two years, but that was before it bought out uTorrent. Now, adopting its new sibling's interface has completely reinvigorated the original BitTorrent client.
Previously, BT had lacked features that other torrent innovators had spent time testing and investing in. Now, in one fell swoop, BT has access to everything it lacked. You can pick which files in a torrent you want to download, throttle your Internet connection to suit your whims, muck about with the Web UI and, basically, do everything that uTorrent can do.
There's an RSS tracker and search bar, just like in uTorrent, but there's where we encounter one key difference. Where uTorrent's search takes you to the MiniNova torrent site, BitTorrent's goes to BitTorrent.com, a pay-for-most-content site. There's also a menu bar item in the BitTorrent client called Get Stuff, with links to Movies, TV, Music, and Games at the BitTorrent content site.
Without a doubt, BitTorrent has taken drastic steps to reverse course and unsink its sinking ship. Although BT still eats more memory than its new sibling, it's hogging significantly less than before. The install file reflects the new code, shrinking from nearly 6MB for version 5 to less than 1MB for version 6.
BT also comes with a small piece of software called DNA. The BT site calls it protocol for "Delivery Network Acceleration," but beyond a nebulous description, it's hard to tell what exactly it does.

BitTorrent's software client allows you to quickly download high-quality digital content such as video, music, and games. Available in over 20 languages, it leverages our community of over 70 million users to securely deliver files to your PC faster than anything else out there.
Features include detailed graphs and stats on the health of digital media files provide you a safer, more controlled downloading experience, local peer discovery and automatic port mapping increase file transfer speed without the need to reconfigure routers or other hardware, and dynamic bandwidth management allows you to download content without disrupting Web browsing, e-mail, or other applications.
What's new in this version: Version 7.2 features support for uTP, an updated BitTorrent protocol that makes efficient use of bandwidth while reducing network problems, is a critical component in continuing to drive that legacy forward.


Saturday 11 June 2011

Liquid Submersion PC (Reactor)

Liquid Submersion PC (Reactor)

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Liquid Submersion PC (Reactor)



Cooling Tower Design

Cooling Tower Design
Archive for the ‘computer water cooling’ Category
computer water cooling
? ? Causes of heat build up?
The amount of heat generated by an integrated circuit (e.g., a CPU or GPU), the prime cause of heat build up in modern computers, is a function of the efficiency of its design, the technology used in its construction and the frequency and voltage at which it operates.?
The dust on the laptop CPU heat sink after three years of use has made the laptop unusable due to frequent thermal shutdowns.?
In operation, the temperature levels of a computer’s components will rise until the temperature slope between the computer parts and their surroundings is such that the rate astatine which heat is lost to the surroundings is equal to the rate at which heat is being produced by the electronic component, and thus the temperature of the component reaches equilibrium.?
For reliable operation, the equilibrium temperature moldiness be sufficiently low for the structure of the computer’s circuits to survive.?
Additionally, the normal operation of cooling methods can be hindered by other causes, such as:?
Dust acting as a thermal nonconductor and impeding airflow, thereby reducing heat sink and fan performance.?
Poor airflow including turbulence due to friction against impeding components, or improper orientation of fans, can reduce the amount of air flowing through a case and even create localized whirlpools of hot air in the case.?
Poor heat transfer due to a lack or poor application of thermal compounds.?
Damage prevention?
It is common practice to admit thermal sensors in the design of certain computer parts, e.g. CPUs and GPUs, along with internal logic that shuts down the computer if reasonable bounds ar exceeded. It is, however, unwise to rely on such preventative measures, as it is non universally implemented, and may not prevent perennial incidents from permanently damaging the integrated circuit.?
The design of an integrated circuit may also incorporate features to shut down parts of the circuit when it is idling, or to scale back the clock speed under low workloads or high temperatures, with the goal of reduction both power use and heat generation.?
System cooling?
Fan from Papst for racks.?
Air cooling?
Further information: Computer fan?
While any method used to move air around or to computer enclosures would count as air cooling, fans are by far the most commonly used implement for accomplishing that task. The term computer fan usually refers to fans attached to computer enclosures, but may also be intended to signify any other computer fan, such as a CPU fan, GPU fan, a chipset fan, PSU fan, HDD fan, or PCI slot fans. Common fan sizes include 40, 60, 80, 92, 120, and 140 mm. Recently, 200mm fans have begun to creep into the performance market, as well as even larger sizes such as 230 and 240mm.?
In desktops?
Typical airflow through a background ATX case.?
Desktop computers typically use one or more fans for heat management. Almost all background power supplies have astatine least one fan to exhaust air from the case. Most manufacturers recommend bringing cool, fresh air in astatine the bottom front of the case, and exhausting warm air from the top rear.?
If there is more air being forced into the system than being pumped out (due to an imbalance in the number of fans), this is referred to as a “positive” airflow, as the pressure inside the unit would be higher than outside. A balanced or neutral airflow is the most efficient[citation needed], although a slightly positive airflow results in less dust build up if dust filters are used. Negative pressure inside the case can create problems such as choked optical drives due to sucking in air (and dust).?
In high density computing?
Data centers typically contain many racks of flat 1U servers. Air is drawn in astatine the front of the rack and exhausted astatine the rear. Because data centers typically contain such large numbers of computers and other power-consuming devices, they risk overheating of the various components if no extra measures ar taken. Thus, extensive HVAC systems are used. Often a raised floor is used so the area under the floor may be used as a large plenum for cooled air and power cabling.?
Another way of accommodating large numbers of systems in a small space are blade chassis. In contrast to the horizontal orientation of flat servers, blade chassis are often oriented vertically. This vertical orientation facilitates convection. When the air is heated by the hot components, it tends to flow to the top on its own, creating a natural air flow along the boards. This stack effect can help to achieve the desired air flow and cooling. Some manufacturers expressly take vantage of this effect.?
In laptop computing?
Most laptops use air cooling in order to keep the CPU and other components within their operating temperature range. Because the air is fan forced through a small port, it can clog the fan and heatsinks with dust or be obstructed by objects placed near the port. This can cause overheating, and can be a cause of component failure in laptops. The severity of this job varies with laptop design, its use and power dissipation. With recent reductions in CPU power dissipation, this job can be awaited(p) to reduce in severity.?
Liquid submersion cooling?
An uncommon practice is to submerge the computer’s components in a thermally conductive liquid. Personal computers that ar cooled in this manner do non generally require any fans or pumps, and may be cooled exclusively by passive heat exchange ‘tween the computer’s parts, the cooling fluid and the ambient air. Extreme density computers such as the Cray-2 may use extra radiators in order to facilitate heat exchange.?
The liquid used mustiness have sufficiently low electric conduction in order for it not to interfere with the normal operation of the computer’s components. If the liquid is somewhat electrically conductive, it may be necessary to isolate certain parts of components susceptible to electromagnetic interference, such as the CPU. For these reasons, it is preferred that the liquid be dielectric.?
Liquids commonly used in this manner admit various liquids invented and manufactured for this purpose by 3M, such as Fluorinert. Various oils, including but non limited to cooking, motor and silicone oils have all been successfully used for cooling personal computers.?
Evaporation can pose a problem, and the liquid may require either to be regularly refilled or certain inside the computer’s enclosure. Liquid may also slowly seep into and damage components, particularly capacitors, causation an initially functional computer to fail after hours or days immersed.?
Waste heat reduction?
Where full-power, full-featured modern computers ar non required, some companies choose to use less powerful computers or computers with fewer features. For example: in an office setting, the IT section may choose a thin client or a diskless workstation thus cutting out the heat-laden components such as hard drives and optical disks. These devices are also often powered with direct current from an external power supply brick which still wastes heat, but not inside the computer itself.?
The components used can greatly affect the power consumption and hence waste heat. A VIA EPIA motherboard with CPU typically generates approximately 25 watts of heat whereas a Pentium 4 motherboard typically generates around 140 watts. While the former has considerably less computing power, both types are adequate and antiphonal for tasks such as word processing and spreadsheets. Choosing a LCD monitor rather than a CRT can also reduce power consumption and excess room heat, as well as the added benefit of increasing available physical desk space.?
Conductive and radiative cooling?
Some laptop components, such as hard drives and optical drives, are commonly cooled by having them make contact with the computer’s frame, increasing the surface area which can radiate and differently exchange heat.?
Spot cooling?
In addition to system cooling, various individual components usually have their own cooling systems in place. Components which ar individually cooled include, but are non limited to, the CPU, GPU and the Northbridge chip. Some cooling solutions employ one or more methods of cooling, and may also utilize logic and/or temperature sensors in order to vary the power used in active cooling components.?
Passive heat sink cooling?
Passive heatsink fitted on a Intel GMA graphics chip?
Passive heat sink cooling involves attaching a block of machined or extruded metal to the part that needs cooling. A thermal adhesive may be used, or more commonly for a personal computer CPU, a clinch is used to affix the heat sink right over the chip, with a thermal grease or pad spread between. This block usually has fins and ridges to increase its surface area. The heat conductivity of metal is much better than that of air, and its ability to radiate heat is better than that of the component part it is protecting (usually an integrated circuit or CPU). Until recently, fan cooled aluminium heat sinks were the norm for background computers. Today many heat sinks feature copper base-plates or are entirely made of copper, and mount fans of considerable size and power.?
Heat sinks tend to get less effective with time due to the build up of dust between their metal fins, which reduces the efficiency with which the heat sink transfers heat to the ambient air. Dust build up can be countered with a gas duster by blowing away the dust along with any other unwanted excess material.?
Passive heat sinks are commonly found on older CPUs, parts that do non get very hot (such as the chipset), and low-power computers.?
Usually a heatsink is attached to the integrated heat broadcaster (IHS). It basically is a large flat plate attached to the CPU (with conductivity paste layered between). The plate is used to dissipate or spread the heat locally. Unlike a heatsink, its intent is to redistribute heat and not to remove it. In addition, the IHS offers protection to the fragile CPU.?
Passive cooling avoids the generation of fan noise.?
Active heat sink cooling?
Active heatsink with a 120mm fan located inside the unit and attached fan controller in background?
Active heat sink cooling uses the same principle as passive, with the addition of a fan that is directed to blow over or through the heat sink. The moving air increases the rate at which the heat sink can exchange heat with the ambient air. Active heat sinks ar the primary method of cooling a modern processor or graphics card.?
The buildup of dust is greatly increased with active heat sink cooling as the fan is continually taking in the dust present in the surrounding air. As a result, dust removal procedures need to be exercised much more frequently than with passive heat sink methods.?
Peltier cooling or thermoelectric cooling?
Main article: Thermoelectric cooling?
In 1821 T. J. Seebeck discovered that different metals, connected at two different junctions, will develop a micro-voltage if the two junctions are held at different temperatures. This effect is known as the “Seebeck effect”; it is the basic theory behind the TEC (thermoelectric cooling).?
In 1834 Jean Peltier discovered the inverse of the Seebeck effect, now known as the “Peltier effect”. He found that applying a voltage to a thermocouple creates a temperature differential between two sides. This results in an effective, albeit extremely inefficient heat pump.?
Modern TECs use several stacked units each composed of dozens or hundreds of thermocouples laid out next to each other, which allows for a substantial amount of heat transfer. A combining of bi and telluride is most commonly used for thermocouples.?
Since TECs ar active heat pumps, they ar capable of cooling PC components below ambient temperatures, which is impossible with common radiator cooled water cooling systems and heatpipe HSFs.?
Water cooling?
Main article: Water cooling?
While originally limited to mainframe computers, water cooling has become a practice largely associated with overclocking in the form of either manufactured kits, or in the form of do-it-yourself setups assembled from individually collected parts. The past few years has seen water cooling increasing its popularity with pre-assembled, moderate to high performance, desktop computers. Water has the ability to dissipate more heat from the cooled parts than the various types of metals used in heatsinks, making it suitable for overclocking and high performance computer applications. Advantages to water cooling admit the fact that a system is non limited to cooling one component, but can be set up to cool the central processing unit, graphics processing unit, and/or other components astatine the same time with the same system. As opposed to air cooling, water cooling is also influenced less by the ambient temperature. Water cooling’s relatively low noise-level is also favorable to that of active cooling, which can become quite noisy. One disadvantage to water cooling is the potential for a coolant leak. Leaked coolant can damage any electronic components it comes in contact with. Another drawback to water cooling is the complexness of the system; an active heat sink is much simpler to build, install, and maintain than a water cooling solution.?
DIY Water cooling setup showing 12v pump, CPU Waterblock and the typical application of a T-Line?
DIY Water cooling apparatus showing 12v MCP655 Vario pump, Swiftech GTZ CPU Waterblock and the non-typical use of a Reservoir.?
Heat pipe?
Main article: Heat pipe?
A graphics card with a heatpipe cooler design.?
A heat pipe is a hollow tube containing a heat transfer liquid. As the liquid evaporates, it carries heat to the cool end, where it condenses and then returns to the hot end (under capillary action, or, in earlier implementations, under gravitation). Heat pipes thus have a much higher effective thermal conduction than solid materials. For use in computers, the heat sink on the CPU is attached to a larger radiator heat sink. Both heat sinks are hollow as is the attachment ‘tween them, creating one large heat pipe that transfers heat from the CPU to the radiator, which is then cooled using some conventional method. This method is expensive and usually used when space is tight (as in small form-factor PCs and laptops), or absolute quiet is needed (such as in computers used in audio production studios during live recording). Because of the efficiency of this method of cooling, many desktop CPU’s and GPU’s, as well as high end chipsets, use heat pipes in addition to active fan-based cooling to remain within safe operating temperatures.?

Wednesday 8 June 2011

How to Build a Computer - 22 - Installing the PSU

How to Build a Computer - 21 - Installing the Hard Drive

How to Build a Computer - 20 - Installing the Optical Drive

How to Build a Computer - 19 - Mounting the Motherboard


How to Build a Computer - 18 - Preparing the Case

How to Build a Computer - 17 - Installing the RAM

How to Build a Computer - 16 - Installing CPU Fan

How to Build a Computer - 15 - Installing the CPU

How to Build a Computer - 13 - Power Supplies

How to Build a Computer - 12 - More on Cases

How to Build a Computer - 11 - Choosing a Case

How to Build a Computer - 10 - More on Optical Drives

How to Build a Computer - 9 - Choosing an Optical Drive

How to Build a Computer - 8 - More Stuff About Hard Drives

How to Build a Computer - 7 - Choosing the Hard Drive

How to Build a Computer - 6 - More on RAM

How to Build a Computer - 5 - Choosing RAM

How to Build a Computer - 4 - More on Choosing a Motherboard

How to Build a Computer - 3 - Choosing a Motherboard

How to Build a Computer - 2 - More on CPU's

Build your own pc - step by step guide - 720p HDTV

Tom's Hardware Guide- Building a Water Coolant PC

building a water cooled p.c

BUILDING A WATER COOLED GAMING PC

part 1 assembling a computer system

Build a Computer Part IV: Processor and RAM

How to Build a Computer - 14 - The Motherboard

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