Anatomy of a Racer: Only Elite Athletes Can Vanquish Rivals at Triple-Digit Speeds
Topic: Sports
2:27 pm EDT, Apr 30, 2008
Admit it: You think driving a race car is easy. With closed tracks and all that horsepower, who needs talent — let alone athletic prowess? But unless you've trained your heart like a distance runner, built your muscles like a football player, and conditioned your body to withstand 150-degree heat, you'd probably kill yourself and several bystanders by the third turn.
Dishing out inertial forces of up to 5 gs, racing is one of the most grueling tests your body can endure while seated. Success demands a rare ability to stay calm and focused for hours while piloting a screaming land rocket mere inches from other victory-obsessed psychos. The best way to prepare is in an actual race car on an actual racetrack. But track time costs tens of thousands of dollars a day. To keep fit without bankrupting their backers, drivers spend hours in front of simulators, log hundreds of human-powered miles, and go turbo at the gym. Here's a look at the anatomy of an auto racer.
I tried to do 60 minutes on-track @ full speed during a 90F degree day, while wearing long pants, a long sleeve t-shirt and race helmet. After 40 minutes I almost passed out. Then again I don't have the body of a heavy lifter, more like the body of a heavy reader.
The Mail Logger is the only GPS Tracking Device specifically designed for tracking your mail. Simply mail it in an envelope and later review where your mail has been. Save time and money by evaluating your delivery service’s reliability and efficiency.
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1. Send out multiple packages equipped with the GPS Mail Logger. 2. Once the mail arrives, review where your mail has been. 3. Evaluate your delivery effectiveness.
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Adam: The man with the redbull hacks. The man without the redbull follows. When the man with the laptop passes out, the man without the redbull picks up the laptop and hacks.
It’s not quite the same type of hybrid drive-train you’d see in street vehicles, but in an exciting announcement, Max Mosely of F1 has announced that all cars will become hybrid by 2013, along with other changes to the vehicles.
The hybrid system that will be phased in is known as KERS, which stands for Kenetic Energy Recovery System. KERS doesn’t store as much energy as a traditional hybrid system, but it only weighs 55 pounds and the limited energy storage capacity is well suited for Formula-style racing.
The biggest difference between KERS and a regular battery-electric hybrid is that KERS stores recovered waste energy in a rotating flywheel. Instead of converting waste energy into electricity and than back into useful energy again with an electric motor, KERS simply transfers the kenetic energy to a ~5kg flywheel in the F1 car’s transmission. The energy stored in the flywheel can then be used by the driver by pushing a “boost” button.
RE: Automatic Patch-Based Exploit Generation is Possible: Techniques and Implications
Topic: Technology
3:00 pm EDT, Apr 19, 2008
Key Design Points The most important design question for constructing the constraint formula is to figure out what instructions to include in the formula. We need to include all the instructions for an exploitable path for the solver to generate a candidate exploit. However, the number of exploitable paths is usually only a fraction of all paths to the new check. Should the formula cover all such execution paths, some of them, or just one? We consider three approaches to answering this question: a dynamic approach which considers only a single path at a time, a static approach which considers multiple paths in the CFG without enumerating them, and a combined dynamic and static approach.
This is a really good example of combining Static Analysis and Dynamic Analysis to find and verify security vulnerabilities. Come see my Summercon presentation for more on this topic.
Wanna see a 7ft tall Bearcat mascott stiff arm a bunch of 10 year old kids into the ground? These mascots sure don't seem like they're taking it easy on the kids.
The evidence is now overwhelming that Mark Dowd was, in fact, sent back through time to kill the mother of the person who will grow up to challenge SkyNet. Please direct your attention to Dowd’s 25-page bombshell on a Flash bytecode attack.
Some context. Reliable Flash vulnerabilities are catastrophes. In 2008, we have lots of different browsers. We have different versions of the OS, and we have Mac users. But we’ve only got one Flash vendor, and everyone has Flash installed. Why do you care about Flash exploits? Because in the field, any one of them wins a commanding majority of browser installs for an attacker. It is the Cyberdyne Systems Model 101 of clientsides.
So that’s pretty bad-ass. But that’s not why the fate of humanity demands that we hunt down Dowd and dissolve him in molten steel.
Look at the details of this attack. It’s a weaponized NULL pointer attack that desynchronizes a bytecode verifier to slip malicious ActionScript bytecode into the Flash runtime. If you’re not an exploit writer, think of it this way: you know that crazy version of Super Mario Brothers that Japan refused to ship to the US markets because they thought the difficulty would upset and provoke us? This is the exploit equivalent of that guy who played the perfect game of it on YouTube.
