Thursday, November 1, 2007

Computer Mice : Their Telephone Origins

Like so many developments that we take for common on our computers the humble mouse had its origins in the innovative work done for more than two decades at the Xerox Palo Alto Research Center (PARC). The PARC mouse had two rollers for horizontal and vertical motion and a single button. The deucedly boxy shape was favored by many of developers at PARC and remarkably has persisted through many mouse (or mice) incarnations.

Firstly the Microsoft mouse design has had major impacts in the mice industry. Microsoft mice always had ergonomic design. The first Microsoft mouse had a broad teardrop shape with two buttons. The original green buttoned model had a steel ball that spawned an industry in foam mouse pads. The next iteration had larger buttons, a larger body, and a rubber coated ball.

When Microsoft decided that the mouse needed to be redesigned, it turned to the venerable firm Matrix Design of San Francisco. Microsoft routinely used and uses third parties to design and software develop many of the items and software that we take for granted today that Microsoft devoted alone . Mike Nuttal, one of Matrix Designs founders was intrigued by Microsofts project: reshaping the exterior without altering the internal mechanism.

Matrix did change one internal element: the position of the mouse ball. Almost the first thing we tried was to move the ball forward, Nuttal remarked later. In the old design the ball sat forward under the palm. A computer mouse user has a natural tendency to put their weight on the palms of their hands and thus on the ball. By moving the mouse ball forward the result was much greater accuracy of the mouse.

We knew the buttons had to be larger Nuttal as well said We tried several button sizes and in the process of designing we ended up incorporating the buttons into the body of the mouse. Another change was in the relative size of the buttons. It was felt that the left buttons should be larger than the right. The results were more than favorable especially with left handed users. By making the left button larger finger position no longer was a major factor therefore the index finger could curve form lower left to upper right ( vice versa in lefties ) . This is the position the index finger naturally favors. In addition the previous rubber-dome switches were replaced with micro switches that had a short travel depression and better tactile feedback.

It was not long before the firm Logitech responded to Microsofts mice innovations.

Logitechs first mouse was truly one of the first examples of the upcoming international efforts in product development and design. A Swiss based Professor: Professor Niklaus Wirth spent a year on sabbatical at Xerox PARC in 1970 and returned to Europe to test mouse designs, working closely with Inria, a French design center for office automation products. In the end their final design was a round mouse with front mounted buttons.

Product development and testing ensued over the position of the buttons, and the front position won over the top.

However, Logitech soon found that the buttons on the front made the mouse jump backward slightly when clicked. The design was abandoned in favor of a wedge shape, which was followed by the rectangular shape that we today.

What is interesting about all of this is the effect of outside products on an item that we take for granted today - the humble mouse which so functional that we seldom give it second thought.

The rounded heel that fits so well in the palm of your hand, the large buttons, and the smooth edges all have roots in the most universal of electrical / electronic products.

Mr. Nuttal and Matrix Designs area in great expertise was in the design and development of telephones.

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The Heart Pounding, Road Ripping Dodge Magnum SRT8

Thanks to the Chrysler Groups relationship with Mercedes both companies are owned by DaimlerChrysler the automaker markets a successful group of full size, rear wheel drive cars powering the Dodge and Chrysler brands. Tapping Mercedes technology in the form of their suspensions, rear differentials, and automatic transmissions three vehicles, including the Dodge Magnum, are now gracing North American highways with their cant miss presence. The Dodge Magnum wagon, as the first vehicle based on the LX platform, has successfully erased most peoples concept of what a station wagon should be. With its menacing front end, rakish body lines, and abundant hauling capacity the Magnum is no mere mom mobile instead, the car is a true sport wagon. Taking that theme to the extreme is the Magnum SRT8, the ultimate fusion of sport wagon and muscle car.

When it comes to engines, Magnum owners have plenty of choices. From the 2.7L V6 powering the SE, to the 3.5L V6 found underneath the hood of the SXT, to the explosive intensity generated by the 5.7L Hemi V8 that comes with the sporty R/T, Magnum owners have a variety of choices not found in many vehicles of its class. Thinking that some Dodge fanatics would want even something more powerful than the R/T, the brand released the SRT8 in 2005 which features a 6.1L Hemi V8 that bangs out an extraordinary 425 horses and 420 lb.-ft of torque. Add on the 20 inch aluminum wheels, firm up the suspension, and equip the model with bigger brakes and you have one untamable Magnum!

Even with its added luster, the Magnum SRT8 isnt keeping Dodge devotees from pimping their rides to help them achieve the look and feel that they want. Some popular, highly desirable aftermarket parts for the Magnum SRT8 include:

Cool/Cold Air Intake Systems If you want even more horsepower and improved torque, then an air intake system for your Magnum is in order. Airaid and Dub Air are two brands that have effectively created systems that have been specifically made for your Magnum SRT8. With the Airaid you have a choice of two models; the premium version comes with a Ram air scoop for added good looks. Both Airaid systems bump up horsepower by 14 and torque by 17, while the Dub Air produces near equal power improvements as well. Enjoy the throaty tone of an air intake system with your SRT8!

Performance Exhaust Systems The Magnum SRT8s exhaust system is adequate, but a Magnaflow Exhaust maximizes performance with its cat-back design and stainless steel properties. You get a rich exhaust tone, see horsepower and torque increase by 16 and 19 respectively, and you get a lifetime warranty with your Magnaflow exhaust system. Yes, the same stainless steel used by Boeing and Airbus in their jets is the steel that is used by Magnaflow.

Of course, many enthusiasts are installing both the performance intake system and the exhaust system to help them achieve the ultimate driving experience that a Dodge Magnum SRT8 can possibly offer to them.

Yes, there is nothing station about the Dodge Magnum, a car with the potential to effectively haul people, haul stuff, and to haul ass!

Copyright 2006 Matthew C. Keegan is a freelance writer for Premier Truck Accessories: http://www.premiertruckaccessories.com/ a leading retailer of SRT aftermarket products for the Dodge Magnum SRT8: http://www.premiertruckaccessories.com/srt8.html including performance air intake and exhaust systems: http://www.premiertruckaccessories.com/srt8combo4.html . Please stop by our online shop today to explore our huge supply of performance parts and accessories.0a Air Cheap Fare Ticket
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