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  1. Symmetry

    In mechanical design, symmetry is a powerful tool. The need for radial, spherical or even bilateral symmetry rose with the early machines invented because of many reasons:

    -Easy inertia's study and achievement.
    -Easy balance.
    -Easy manufacturing process.
    -Easy modeling and analysis.

    Symmetry can be observed in nature at a big scale as well. If our environnement contributes to the shaping of our ideas and concepts, there is no denying to how much symmetry ...
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  2. On Speech And Mesh

    I have often been described as a talkative person. It's not that I love my fits of verbal diarrhea, but the need to be as specific as possible and to give as many details as I can leads me to either speak in paragraphs or use a particular vocabulary. In the mean time, I require precision when listening or taking in information.

    It's mainly because I'm aware of the error range within transmission and exchange. It's inescapable. In my mind's eye therefore, the narrower I can make the ...

    Updated 5th Oct '14 at 13:05 by Khadija Ouajjani

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  3. Creation and evolution

    No, I have no intention to start a theological discussion here. I do think, however, that the claim that complex systems are a sign of intelligent design is at least inaccurate. The most intelligent complex designs we can do have a lot of evolution in them. Actually, the lifecycle of a technical product has a lot in common with this of living organisms.

    For the general public engineers design things straightforward, in a highly professional and intelligent way.

    We, engineers, ...
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  4. The law of the Cheshire cat

    Would you tell me please, which way I ought to go from here?That depends a good deal on where you want to get to.I don't much care where - -Then it doesn't matter which way you go- So long as I get SOMEWHERE Oh, you're sure to do that, if you only walk long enough.If this seems familiar you are probably right. It is the dialogue of Alice and the Cheshire cat from Lewis Carroll's Alice in wonderland. I took the next story from a book written by Dan Rogel, a gifted engineer, whom I was lucky to have ...
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  5. Creativity or experience?

    What is more important in the work of a designer, his creativity or his experience?

    Creativity is not easy to define. In its broadest sense it is the ability to create something that was not available before. Assembling a piece of furniture from IKEA parts and instructions is creativity by this definition. In a narrower sense we usually limit ourselves to doing something which is mentally new. Narrowing the definition still further we would like creativity to produce new ideas, surprising ...
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