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    What's going on with Acetone and ABS chemically?

    In 3D printing it is a well known trick to use Acetone to smooth/dissolve prints made from ABS plastic. Most articles call acetone a "solvent" of ABS but after some experimentation with PLA plastic and THF "solvent" I get the feeling "solvent" may be too vague a term. The main observable...
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    Airfoil Design Research

    Does anyone know of any types of research out there that attempts to establish analytical ways to design an airfoil. As far as I understand it right now, when someone wants to design an airplane they grab some premade airfoil shapes and test there design empirically using CFD or a wind tunnel...
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    Engineering Aspiring Engineer

    What danago said in his second post really sums it up. Mathematically all those branches of engineering have a huge amount of overlap, you don't really start getting a major specific math class until your junior year and even then 80% of the content is the same as what the other engineering...
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    Engineering What is mechanical engineering like?

    I graduated 2 years ago and have been working as a Design Engineer since. Based off your list of likes I think you'd enjoy this major, though don't forget to do some research on electrical engineering. If you don't care for chemistry you probably won't care for materials engineering (this will...
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    Engineering Engineering, should I show off work from my current job in an interview?

    Have kinda of an ethics question here. I work for company A and have an interview with company B. Company B would like to see examples of my work, which is mainly 3-D models of designs and technical drawings. However these things are technically the property of company A. Also I don't want...
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    Engineering Mechanical Engineers: How much writing do you do?

    While chill_factor is right about in principle I can tell you that my job of 2.5 yrs as a mechanical design engineer has had very little technical writing. Now being able to communicate well will always be important and in that way your school is doing you a favor by being so rigorous but don't...
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    Ph.D and a career in teaching Community College

    So if I wanted to change my career from professional engineer to community college teacher, would a Ph.D in engineering be helpful or over qualify me? I have a bachelor's in Mechanical Engineering, a M.S. in ME with emphasis on controls and dynamics, and about 2 years of professional...
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    Simple (or not so simple) Momentum question

    Thanks for the response. I'm still a little confused though, shouldn't the two examples have the exact same conclusion? I mean friction has no place in a particle collision right? If so,I believe the two problems are identical. Anyways though I'm tempted to agree that any velocity gained...
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    Simple (or not so simple) Momentum question

    I've been thinking about basic momentum problems lately I'm having a surprising amount of trouble with one that didn't seem so bad at first glance. Here's what I'm imagining: We've all heard of the simple momentum problem where a particle moving in the x direction at speed v1 runs into some...
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    Getting a job in a new venture company.

    Hello, I'm a mechanical engineer graduate with a little over a year of real world job experience. This first job has been rather disappointing for me so I've been giving my long term career goals much more thought. I originally thought I'd want to get a Ph.D and perhaps do research but what...
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    Aerospace engineering vs. Mechanical engineering

    Anyways as to the actual topic of your post, that's the exact reason I went ME or Aero. Though make sure you can actually get said aero electives, my school conveniently only offered them when I couldn't possibly take them and I'm still curious about the subject. From what I've noticed, there...
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    Ph.D in Nuclear Fusion power?

    Hello, I'm a Mechanical Engineering grad with a M.S. in Controls and Dynamics and have been working for a year. I was originally set to get a Ph.D in Controls but I kind of got burnt out on being a student and settled for a M.S. (would have just left but it took so long to find a job I ended...
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    Can I get into MIT, cal Berkeley or Stanford?

    With stats like that you should definitely apply, just remember to post on the thread again if you get accepted. It'd be good encouragement to anyone else browsing to hear about someone actually getting into one of those top notch institutions.
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    Programs Too late to get the degree?

    I know if your heart's set on physics you should go physics... but have you looked at engineering at all? I'm just mentioning it because it requires a similar skill set as physics but you can turn it into a career with just a B.S. and I think even if you get a Ph.D in it I think you may be more...
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    Programs Which Major and School for Nanotech

    Aging and metabolism have a lot to do with proteins right? Now I'm not a biologist but if I remember correctly proteins are essentially biological nanomachines (like there the link between basic chemistry and cell structure), and we really don't know much about them to boot. Anyways you...
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    Admissions Applying to CalTech, what are my chances?

    No harm in aiming high with your applications, but remember if you're going for a Math/Science major and really like it a lot you'll probably want to consider grad school. It's much easier to get into a school like Caltech as a grad assuming your B.A. isn't gotten from a clown college. I mean...
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    Does anyone do this type of Aerospace Research?

    Hello I currently hold a M.S. in Mechanical and Aerospace Engineering and a B.S. in Mechanical engineering (note the M.S. had an emphasis in controls and dynamics). I got my M.S. by only taking grad courses and have done no research or advanced project, I graduated last year and have been...
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    My dream not realized, and I am falling down a deep cliff.

    First of all, we all have set backs. Your professor definitely was not lieing too you, if he really thought you didn't have what it takes he'd have gently told you to stay away from math completely. Also I've gotten a M.S. in controls engineering from UC Irvine and I can tell you the they...
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    Physics Are there physicists that study time travel

    Backwards time would be a little bit like having negative space, that is space where you can travel a negative magnitude of distance. Basically I'm saying time travel is a bit of a paradox isn't it? I bring this up because your question really begs the question "what exactly is time?" and...
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    Career Change Aerospace

    All I can say is plan for a specific job and not a specific major. I got a master's degree in Mechanical Engineering (controls and dynamics) but I got it at a university which was no where near where I wanted to live for the rest of my life and now I can't find a job that would actually use...
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    Self-teaching physics?

    While everyone is quite right in encouraging the study of math and such I think you'd also do well to study a little critical thinking/logic and philosophy. The thing about just studying math and physics is you will only be learning about one theory, and while that theory is defiantly the most...
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    Any universities do this type of research?

    Hello, I'm a former grad student with a Master's in Mechanical Engineering (emphasis on Dynamics and Controls) and I'm thinking of going back to school for a Ph. D. I'm very interested in technologies involving the use of endurance UAV's (UAV's designed to stay in the air for weeks at a...
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    Calculating forces on a rotor

    Hello, Out of curiosity I've been trying to mathematically model the forces on a rotor during auto-rotation starting with the basic lift/drag equations used for analyzing basic fixed wing flight (i.e. our beloved L = 0.5*Cl*rho*A*v^2). At first I thought this shouldn't be too hard since it's...
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    Should I follow up job applications with a phone call?

    Hello, I'm a Mechanical Engineering grad student (got my B.S. in ME as well) and I've started applying for jobs. I've heard that it's a good idea to call the company after sending them a job application but I just can't think of what I'm suppose to say. Do any engineers in the workforce has...
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