A well-stocked first-aid kit can help you respond effectively to common injuries and emergencies. If you’re thinking the X-15 still holds the record for the fastest jet in the world, think again. Both the X-15 and the X-43A are experimental aircrafts, designed to test new technologies and are usually associated with record-breaking feats. Pilots of these planes were considered astronauts since many X-15 flights exceeded 50-mile altitudes. As mentioned earlier, the X-43A, like its reputable predecessor, the X-15, is an experimental aircraft.
In the usual jet plane setup, a tank of liquid oxygen has to be carried as additional load. Although the current record held by the scramjet-powered X-43A only achieved a fraction of that, Mach 9.6 is still way above what other planes have achieved.
To give you an idea how fast the fastest jet in the world is, compared to others, imagine this: there are more than 30 jets that are faster than the speed of sound and yet almost all of them have top speeds either way below or only near Mach 3.
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All these worksheets and activities for teaching First aid have been designed by English language teachers.
These are among the best phonics worksheets, games, videos and flash cards you will find online.
Software development managers make sure that their workers' physical safety is secured - assuring that office ergonomics are up-to-spec, and in compliance with the prevailing laws and regulations. The X-15, for example, was specially designed to reach altitudes and speeds never achieved before. The Blackbird used to cruise at Mach 3.2 and was used primarily for reconnaissance missions. Specifically, the the X-43 was part of the NASA Hyper-X program, a 7-yr program that cost around $230M and was launched to explore other options for space access vehicles.
You can think of it as an upgraded version of the ramjet – the kind of engine used by the SR-71. Just enter your list of words and this website will create bingo, dominoes, crossword, memory games, etc.
The has everything you need to help a child learn to read through phonics: decodable stories, listening exercises, you name it. On the other hand, managers verily require that software development workers undertake some of the riskiest behavior in the contemporary workplace.
The unmanned aircraft hit Mach 9.6 (nearly 10 times the speed of sound) on November 16, 2004 at an altitude of 33,223 meters over the Pacific Ocean. The Supersonic Combustion Ramjet basically takes in oxygen, which is needed for combustion, directly from the atmosphere. The added benefits are so enormous that engineers who embarked on scramjet research predicted speeds that could go up to 15 times the speed of sound. It's entirely common that software managers require workers to undertake work the crosses the line of being merely questionable, and moves squarely into the territory of negligence.
Children old enough to understand the purpose of the kits should know where they are stored. In the case of software development, "safety" is an issue of undertaking work in a fashion that doesn't expose the software worker to unnecessary risk - especially risk that is easily avoided.


That is, it's easily avoided for someone who understands the work of software development at a high-enough level of expertise and detail to guide workers away from unsafe practices.An unsafe practice in software development is any work done in the present moment that makes work in the next moment take longer to complete. A reasonable analogy for this is the notion in physical materials work of a clean workplace.The purpose of a clean workplace is to remove the clutter that hides unseen, unsafe conditions. It's a lot easier to trip over an errant piece of material in the workplace when its surrounded by a profusion of other errant materials.
When hazards are so common that they blend into the background, we simply stop noticing them, and this is how we come to be put at greater risk.The more unsafe clutter we have in our workplace, the more we have to work around. The more we have to work around, the more time it takes us to do work.If a manager can't detect the conditions that makes work take longer to accomplish than expected, he doesn't adjust his expectations for cycle time accordingly. This means that he expects more to get done - the original work, plus the workaround work - in an amount of time that would be reasonable for the completion of the original work alone.This makes workers even more careless, exacerbating the accumulation of obstructions and hazards in the software development workplace as a result.
Accomplish the great task by a series of small acts."Although, you can only do those small tasks if you can detect their presence. The finer your ability to perceive counter-productive deviations, the quicker you can respond to them. The longer you wait, the further off-course you'll be when you finally realize that you need to make a course correction. Someone who isn't an expert in the work can recognize when the work is off-course, but his will only recognize it after it has become more expensive to deal with than necessary.And this, as the average software worker would tell you, is the day-to-day conditions in which their work is done.
Software workers rarely get ahead of the clutter curve, and have to invest significant effort to keep their workplace free of hazards.
Paraphrasing Taiichi Ohno, if you're not moving forward, you're falling behind.Each individual scrap of hazardous material in software development is typically quite small - small enough in fact to be easily deemed negligible - even by people who do the work. The hazard presented by two iota of hazardous waste in software isn't the sum of the hazards - it's the sum of the hazards compounded by some multiplier.
Hazards in software don't exist in isolation, they interact with each other creating a higher order of hazards that is greater than the sum of their parts. Two pieces of hazardous software that interact with each other don't create two hazards, they create two hazards compounded by the amount of interactions between these modules. To make matters worse, all modules that interact with hazardous modules in close adjacency also get infected.
Lack of day-to-day expertise in software work often leads to negligent underestimation of the risks associated with the "design hernias".Software hazards compound very quickly. If subtle hazards in the tools and frameworks that programmers are slated to use are not recognized immediately, the accumulation begins before the first line of code is even written.When we ask software workers to continue to work in such conditions, we might as well send them into a mine filled with coal dust and require them to hyperventilate for several hours each day. Sooner or later they are going to have to escape the job to escape the hazards, or they are going to acquiesce to the irreconcilable differences between a manager's expectations and the realities of the working conditions that the manager himself feels entitled to not be exposed to for having already "paid his dues". They come to learn that no matter what they do until they escape the work, they are more than likely going to end up on the losing end of the software work proposition. To see looming hazards when they're small, you have to have detailed knowledge of the work in the here and now. This is simply not possible when managers have removed themselves from the work.It's far too common for software development managers to feel entitled to be removed from the work of software development - as if removal from the work is a reward for having done the work for a number of years. The reward for doing software development work for a number of years is not an escape from the work, but an immersion into a far deeper understanding of it so that its expert insight can guide software work away from hazards. Of all the escapes that can be orchestrated by software workers, an escape into management is indeed and in fact an act of pure negligence.Software work is works in intangibles.
But software diagrams don't show the looming problems while they are still small; still manageable gathering storms that can be dissipated through judicious application of minimally-invasive countermeasures.


And yet managers who feel entitled to be removed from the work perpetuate the fantasy that summary representations like diagrams are sufficient to bring their purview into action on the software projects they manage. This is pure folly, and software tool vendors are quite happy to continue to exploit it.By the time you've detected a software hazard that can be seen in a summary representation like a software diagram, you're looking at a problem that has festered for far too long. You should be able to detect the chemical markers of the disease long before you notice that lump in a vital organ.Programming work is almost entirely mental. Its effectiveness is influenced by psychology, cognition, awareness, and communication far more than by any material concern like ergonomics, an ultra-fast workstation, or multiple monitors. Software systems are far too large and far too complex to be held in entirety in the conscious focus of any single software worker in any single moment.
You have to be in the code, and to know enough about code to understand which subtle design differences are looming problems and which aren't.The average software system is a dark coal mine filled with the poison particulate of tomorrow's case of black lung. We do this because at some point in our careers as managers, we believed that we were entitled to be removed from the details of software work.Sooner or later, enough hazardous software material accretes in a software system that managers step in, and often the first thing they do is look for a root cause in the workmanship of the software workers. The absence of informed, skilled, and insightful software management and guidance is always a preeminent cause to unattended workmanship. The workmanship is, of course, a problem, but it's a side-effect.This is like blaming miners for an underground explosion due to the accumulation of day-to-day hazards that result from institutionalized negligence of clear and present dangers that should be managed the moment that they show their first signs.
We ask them to do this from our organizational perches far about the hazardous conditions of software projects.
And then we hang them with the inevitable costs of this kind of mismanagement.It's the software worker that is required to spend extra time in the mine to balance productivity that is lost to management negligence. It's the software worker who is required to take on the duties on sanitizing data by hand without the safety of the proven automation that should have been built right to begin with. And they suffer the humiliation of blame when lack of management insight can't see it's own reflection in the root cause mirror. And institutions lose the invaluable institutional knowledge when workers escape the organization altogether.
And it's completely avoidable.If you're not willing to be in the day-to-day work of software development, you're declaring loud and clear that you're not qualifying yourself for the authority to make decisions that direct software work. You ask them to take risks that the workers themselves know that you can't see, and they know that because you can't see them, that you will likely not understand that the accumulation of avoidable hazards into full-fledged, clear and present dangers is your fault to begin with.Workplace safety is a serious productivity issue. It's a basic expression of human respect for the people who work for software development organizations. Understanding workplace safety for software developers requires a high level of expertise in software development, and it requires day-to-day currency in software development. A manager who is not willing to have insight into the details of the work that he is responsible for is patently disrespectful of his workers. He constantly puts them into harm's way by presuming to express authority without knowing whether his expectations are hazardous to the health, well-being, and viability of software work and software workers.
Beyond disrespectful, it's dishonorable.The software field isn't at risk of programmers forming a united front and leveraging collective bargaining, and frankly such a thing isn't likely what anyone wants. But dealing with the root cause issues that have driven other industries to such actions is a win for everyone when obstructions to productivity are removed in the process.



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