mario
i'm less concerned with how he got up there than ,i am about what's holding those bricks up.
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trollerbot101
i fucking love physics
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mario
i'm less concerned with how he got up there than ,i am about what's holding those bricks up.
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trollerbot101
shit on the carpet and blame it on the toy dog, best troll ever
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meanwhile in Russia ,like a boss
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warning the post are not intended to hurt anybody's feelings
opinion on half glass of water
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how the sun looks from other planets
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engineering fail
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wan't a new PC,scratch here
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public toilet rules
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a thousand words Trailer 2012 Eddie Murphy Movie
waiting for the movie
Eddie Murphy ლ(ಠ益ಠლ) y u no get old?
find johnny bravo and share
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stepping on many to reach your goal
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equation for pizza derived
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don't drink and drive
MUST READ THIS AND SHARE THIS PIC WITH UR FRIENDZ.
Really heart touching.........
I was walking around in a Big Bazar store making shopping, when I saw
Really heart touching.........
I was walking around in a Big Bazar store making shopping, when I saw
a Cashier talking to a boy couldn't have been more than 5 or 6 years
old..
The Cashier said, 'I'm sorry, but you don't have enough money to buy
this doll. Then the little boy turned to me and asked: ''Uncle, are
you sure I don't have enough money?''
I counted his cash and replied: ''You know that you don't have enough
money to buy the doll, my dear.'' The little boy was still holding the
doll in his hand.
Finally, I walked toward him and I asked him who he wished to give
this doll to. 'It's the doll that my sister loved most and wanted so
much . I wanted to Gift her for her BIRTHDAY.
I have to give the doll to my mommy so that she can give it to my
sister when she goes there.' His eyes were so sad while saying this.
'My Sister has gone to be with God.. Daddy says that Mommy is going to
see God very soon too, so I thought that she could take the doll with
her to give it to my sister...''
My heart nearly stopped. The little boy looked up at me and said: 'I
told daddy to tell mommy not to go yet. I need her to wait until I
come back from the mall.' Then he showed me a very nice photo of him
where he was laughing. He then told me 'I want mommy to take my
picture with her so my sister won't forget me.' 'I love my mommy and I
wish she doesn't have to leave me, but daddy says that she has to go
to be with my little sister.' Then he looked again at the doll with
sad eyes, very quietly..
I quickly reached for my wallet and said to the boy. 'Suppose we check
again, just in case you do have enough money for the doll?''
'OK' he said, 'I hope I do have enough.' I added some of my money to
his with out him seeing and we started to count it. There was enough
for the doll and even some spare money.
The little boy said: 'Thank you God for giving me enough money!'
Then he looked at me and added, 'I asked last night before I went to
sleep for God to make sure I had enough money to buy this doll, so
that mommy could give It to my sister. He heard me!'' 'I also wanted
to have enough money to buy a white rose for my mommy, but I didn't
dare to ask God for too much. But He gave me enough to buy the doll
and a white rose. My mommy loves white roses.'
I finished my shopping in a totally different state from when I
started. I couldn't get the little boy out of my mind. Then I
remembered a local
news paper article two days ago, which mentioned a drunk man in a
truck, who hit a car occupied by a young woman and a little girl. The
little girl died right away, and the mother was left in a critical
state. The family had to decide whether to pull the plug on the
life-sustaining machine, because the young woman would not be able to
recover from the coma. Was this the family of the little boy?
Two days after this encounter with the little boy, I read in the news
paper that the young woman had passed away.. I couldn't stop myself as
I bought a bunch of white roses and I went to the funeral home where
the body of the young woman was exposed for people to see and make
last wishes before her burial. She was there, in her coffin, holding a
beautiful white rose in her hand with the photo of the little boy and
the doll placed over her chest. I left the place, teary-eyed, feeling
that my life had been changed for ever...
The love that the little boy had for his mother and his sister is
still, to this day, hard to imagine. And in a fraction of a second, a
drunk driver had taken all this away from him.
Please DO NOT DRINK & DRIVE.
Now you have 2 choices:
1) Forward this message, or
2) Ignore it as if it never touched your heart.
For those who prefer to think that God is not watching over us.... go
ahead and delete this. For the rest of us..... pass this on.
The value of a man or woman resides in what he or she gives, not in what they are capable of receiving.
share it
old..
The Cashier said, 'I'm sorry, but you don't have enough money to buy
this doll. Then the little boy turned to me and asked: ''Uncle, are
you sure I don't have enough money?''
I counted his cash and replied: ''You know that you don't have enough
money to buy the doll, my dear.'' The little boy was still holding the
doll in his hand.
Finally, I walked toward him and I asked him who he wished to give
this doll to. 'It's the doll that my sister loved most and wanted so
much . I wanted to Gift her for her BIRTHDAY.
I have to give the doll to my mommy so that she can give it to my
sister when she goes there.' His eyes were so sad while saying this.
'My Sister has gone to be with God.. Daddy says that Mommy is going to
see God very soon too, so I thought that she could take the doll with
her to give it to my sister...''
My heart nearly stopped. The little boy looked up at me and said: 'I
told daddy to tell mommy not to go yet. I need her to wait until I
come back from the mall.' Then he showed me a very nice photo of him
where he was laughing. He then told me 'I want mommy to take my
picture with her so my sister won't forget me.' 'I love my mommy and I
wish she doesn't have to leave me, but daddy says that she has to go
to be with my little sister.' Then he looked again at the doll with
sad eyes, very quietly..
I quickly reached for my wallet and said to the boy. 'Suppose we check
again, just in case you do have enough money for the doll?''
'OK' he said, 'I hope I do have enough.' I added some of my money to
his with out him seeing and we started to count it. There was enough
for the doll and even some spare money.
The little boy said: 'Thank you God for giving me enough money!'
Then he looked at me and added, 'I asked last night before I went to
sleep for God to make sure I had enough money to buy this doll, so
that mommy could give It to my sister. He heard me!'' 'I also wanted
to have enough money to buy a white rose for my mommy, but I didn't
dare to ask God for too much. But He gave me enough to buy the doll
and a white rose. My mommy loves white roses.'
I finished my shopping in a totally different state from when I
started. I couldn't get the little boy out of my mind. Then I
remembered a local
news paper article two days ago, which mentioned a drunk man in a
truck, who hit a car occupied by a young woman and a little girl. The
little girl died right away, and the mother was left in a critical
state. The family had to decide whether to pull the plug on the
life-sustaining machine, because the young woman would not be able to
recover from the coma. Was this the family of the little boy?
Two days after this encounter with the little boy, I read in the news
paper that the young woman had passed away.. I couldn't stop myself as
I bought a bunch of white roses and I went to the funeral home where
the body of the young woman was exposed for people to see and make
last wishes before her burial. She was there, in her coffin, holding a
beautiful white rose in her hand with the photo of the little boy and
the doll placed over her chest. I left the place, teary-eyed, feeling
that my life had been changed for ever...
The love that the little boy had for his mother and his sister is
still, to this day, hard to imagine. And in a fraction of a second, a
drunk driver had taken all this away from him.
Please DO NOT DRINK & DRIVE.
Now you have 2 choices:
1) Forward this message, or
2) Ignore it as if it never touched your heart.
For those who prefer to think that God is not watching over us.... go
ahead and delete this. For the rest of us..... pass this on.
The value of a man or woman resides in what he or she gives, not in what they are capable of receiving.
share it
post by
trollerbot
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typical automotive braking system
How typical Automotive Braking System works..!!
The modern automotive brake system has been refined for over 100 years and has become extremely dependable and efficient.
The typical brake system consists of disk brakes in front and either disk or drum brakes in the rear connected by a system of tubes and hoses that link the brake at each wheel to the master cylinder. Other systems that are connected with the brake system include the parking brakes, power brake booster and the anti-lock system.
When you step on the brake pedal, you are actually pushing against a plunger in the master cylinder, which forces hydraulic oil (brake fluid) through a series of tubes and hoses to the braking unit at each wheel. Since hydraulic fluid (or any fluid for that matter) cannot be compressed, pushing fluid through a pipe is just like pushing a steel bar through a pipe. Unlike a steel bar, however, fluid can be directed through many twists and turns on its way to its destination, arriving with the exact same motion and pressure that it started with. It is very important that the fluid is pure liquid and that there are no air bubbles in it. Air can compress, which causes a sponginess to the pedal and severely reduced braking efficiency. If air is suspected, then the system must be bled to remove the air. There are "bleeder screws" at each wheel cylinder and caliper for this purpose.
On a disk brake, the fluid from the master cylinder is forced into a caliper where it presses against a piston. The piston, in-turn, squeezes two brake pads against the disk (rotor), which is attached to the wheel, forcing it to slow down or stop.
This process is similar to a bicycle brake where two rubber pads rub against the wheel rim creating friction.
With drum brakes, fluid is forced into the wheel cylinder, which pushes the brake shoes out so that the friction linings are pressed against the drum, which is attached to the wheel, causing the wheel to stop.
The modern automotive brake system has been refined for over 100 years and has become extremely dependable and efficient.
The typical brake system consists of disk brakes in front and either disk or drum brakes in the rear connected by a system of tubes and hoses that link the brake at each wheel to the master cylinder. Other systems that are connected with the brake system include the parking brakes, power brake booster and the anti-lock system.When you step on the brake pedal, you are actually pushing against a plunger in the master cylinder, which forces hydraulic oil (brake fluid) through a series of tubes and hoses to the braking unit at each wheel. Since hydraulic fluid (or any fluid for that matter) cannot be compressed, pushing fluid through a pipe is just like pushing a steel bar through a pipe. Unlike a steel bar, however, fluid can be directed through many twists and turns on its way to its destination, arriving with the exact same motion and pressure that it started with. It is very important that the fluid is pure liquid and that there are no air bubbles in it. Air can compress, which causes a sponginess to the pedal and severely reduced braking efficiency. If air is suspected, then the system must be bled to remove the air. There are "bleeder screws" at each wheel cylinder and caliper for this purpose.
On a disk brake, the fluid from the master cylinder is forced into a caliper where it presses against a piston. The piston, in-turn, squeezes two brake pads against the disk (rotor), which is attached to the wheel, forcing it to slow down or stop.
This process is similar to a bicycle brake where two rubber pads rub against the wheel rim creating friction.
With drum brakes, fluid is forced into the wheel cylinder, which pushes the brake shoes out so that the friction linings are pressed against the drum, which is attached to the wheel, causing the wheel to stop.
Red Flag On Biometrics: Iris Scanners Can Be Tricked
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Red Flag On Biometrics: Iris Scanners Can Be TrickedAt the Black Hat Security Conference in Las Vegas this week, Javier Galbally revealed that it’s possible to spoof a biometric iris scanning system using synthetic images derived from real irises. The Madrid-based security researcher’s talk is timely, coming on the heels of a July 23 Israeli Supreme Court hearing where the potential vulnerabilities of a proposed governmental biometric database drove the debate. Consider the week’s events a reminder that if the adoption of biometric identification systems continues apace without serious contemplation of the pitfalls, we’re headed for trouble.
When it comes to the collection and storage of individuals’ digital fingerprints, iris scans, or facial photographs, system vulnerability is a chief concern. A social security number can always be cancelled and reissued if it’s compromised, but it’s impossible for someone to get a new eyeball if an attacker succeeds in seizing control of his or her digital biometric information.
Among all the various biometric traits that can be measured for machine identification -- such as fingerprints, face, voice, or keystroke dynamics -- the iris is generally regarded as being the most reliable. Yet Galbally’s team of researchers has shown that even the method traditionally presumed to be foolproof is actually quite susceptible to being hacked.
The project, unveiled for the first time at the security researchers’ conference, made use of synthetic images that match digital iris codes linked to real irises. The codes, which are derived from the unique measurements of an individuals’ iris and contain about 5,000 pieces of information, are stored in biometric databases and used to positively identify people when they position their eyes in front of the scanners. By printing out the replica images on commercial printers, the researchers found they could trick the iris-scanning systems into confirming a match.
The tests were carried out against a commercial system called VeriEye, made by Neurotechnology. The synthetic images were produced using a genetic algorithm. With the replicas, Galbally found that an imposter could spoof the system at a rate of 50 percent or higher. A Wired article hit on the significance of this discovery:
This is the first time anyone has essentially reverse-engineered iris codes to create iris images that closely match the eye images of real subjects, creating the possibility of stealing someone’s identity through their iris.
This revelation not only exposes a security hole in a commercial iris-recognition system, but also proves that prominent tech firm and FBI contractor B12 Technologies -- which is building a database of iris scans for the Next Generation Identification System -- was wrong when it when it noted on its website that biometric templates “cannot be reconstructed, decrypted, reverse-engineered or otherwise manipulated to reveal a person’s identity.”
Any new detection of biometric system flaws is relevant in the context of the massive governmental identification programs moving forward at the global level. There’s India’s bid to create the world’s largest database of irises, fingerprints and facial photos, for example, and Argentina’s creation of a nationwide biometric database containing millions of digital fingerprints. Just this week in Israel, High Court justices criticized a planned biometric database as a “harmful” and “extreme” measure.
Lawmakers who approve such identification schemes should give serious consideration to any new information surfacing about biometric system vulnerabilities.
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