Online Time

I had the rather startling realization that I may be spending a great deal too much time online. Startling only because, I am sure, I have been in denial.

I spend nearly all of my day in the office online or on a computer. Even while running experiments, I need a laptop to run the software I wrote. Only during lunch hour, honestly, am I not at my computer.

Then I have an hour or two after work I'm not online - I go the gym, bible study one evening, I volunteer to help prepare food Wednesday nights at the dorm.

Then when I get back to my room, I'm back checking email. Or sometimes writing a blog post. :)

Ack! When is it too much?



Now to be fair to myself on the weekends I get out and do things, but that's only two days out of the week. I have a friend who does not have TV or internet at home, and he says he couldn't be happier. Maybe I should take a page from him, and learn to read a book instead. I might surprise myself and be much more productive. In fact I'm positive I'd be more productive.

So why today in particular did this strike me?

Well I was perusing my Google RSS feed when an intriguing Slashdot post came up. Then I was perusing recent /. posts, and I found this one.

And in the comments was a thread with a link to a meetup.com group just for people who like nerdy things. It's an active group, with a bunch of people, and regularly scheduled events.

And I thought hmm, that might be kind of fun to go to one of the events. And then I thought, oh gees, how pathetic is that? I have friends I actually KNOW that I can do things with, instead of meeting strange people through an online network...

And then I saw that in August there is a group of people meeting to see Brian Herbert, the author of Winds of Dune (release date August 4th, oh yeah), while he is in town during his tour of the east coast this summer.

Ooh, so tempting.

In the end I don't think I'm going to join any meetup.com groups. But I think I will go on my own to the book signing. :) And in the meantime I'm going to try to spend more of my life off the computer. It'll be good.

The PhD Birthday Party

One of my friends defended his PhD thesis last week, last Monday. I was at the defense, and cheered with everyone else when the professors congratulated Dr. Newly Minted.

But the real party was the one that he and his girlfriend threw last Friday night. I was pleased to be invited, and since I don't know how to pick wine I brought a pan of brownies as a gift to the hosts. It was well received, as my desserts always are. :)

After a couple hours, I was getting ready to leave when the girlfriend called us all into the kitchen.

All of us guests gathered around the table, where she proudly displayed a beautiful handmade cake. With five candles.

We all oohed and ah-ed appropriately, but I was a bit confused. A birthday cake? Did he have a small child I didn't know about?

My friend went up and laughed and kissed his girlfriend, obviously having understood the joke.

He let us in on the secret - it took five years to get his PhD, and so his girlfriend decided it would be appropriate to celebrate the life of the thesis.

Laugh! I like it!

I noticed that while all the guests laughed, the attendees who were also in the third, fourth, fifth..... sixth...... years of their own PhDs found the joke a wee bit painful. :)

There was some thought given to singing "Good Riddance, dear thesis" for the birthday song, but in the end the less cynical guests won out and we sang "Happy Birthday, dear thesis." My friend brought out the hardbound copy of his thesis, and triumphantly waved the book over the cake at the end of the song.

So see, the thesis blew out the candles...

A Week of Work != Week of Results

In an ideal world, the amount you work on a problem would be directly proportional to the results you get.

Ha!

In the real world, it ain't gonna happen that way.

Sometimes all your hard work can be lost on a mistake.

Two students in my office are currently working in the fab (clean room where silicon wafers are processed, like for making computer chips) to create some very hot science. They need to make a silicon wafer with a particular pattern on it. Of course, they are making five wafers, because they expect some will be damaged or not come out properly. It is expensive to buy wafers, expensive to use the clean room, and expensive to go through the multitude of steps it takes to process a wafer.

They had been working about two weeks and were about halfway through processing their wafers, when one day they arrived for lunch with slumped shoulders and disbelieving looks on their faces. I asked them why they were so dejected, and it turns out that they had just destroyed their wafers. Literally turned them into dust. Poof!

They had put their wafers in the spin dryer, and one of the components in the spin dryer was upside down. Nobody knows how the component got in there upside down. Previous student messed it up, perhaps? It didn't matter, the result was that all five wafers shattered and were spun into little shards of silicon and dust.

Sometimes the problem you were working on turns out to be moot.

I worked for a week straight back in February to model a pneumatic system. I had a huge, complicated model that included compressible flow, springs, dampers, inertia, hardstops, and sonic flow calculations. Then I realized I could make some simplifying assumptions, and it turns out that I could eliminate all the fancy parts of the model. Then I did some more digging and found that Simulink has a toolbox ESPECIALLY made for hydraulic systems, and I could have just used three programming blocks and been done with it.

So when I went to talk to my advisor that week, and I had a model simple enough to be almost trivial. It looked like I had just thrown it together that morning, but I had actually spent the whole week on it.

And then sometimes, a simple five minute fix solves a world of headache.

Our lab has bought a new micromilling machine, but it's been buggy. Micromilling machines are hot new technology, but the emphasis is on the "new." The software and hardware still have some kinks to work out. In fact, in the user's manual, the start-up proceedure lists "Please push button A to phase motors. If motors do not phase, push button again. Repeat." Lovely.

Software bugs I can handle, but a major problem was that the spindle kept stopping randomly, which immediately breaks the tiny little tool when it plows into your workpiece while not spinning. We have tried all sorts of trouble-shooting and possible fixes for this problem.

Finally, a representative of the micromill company instructed us over the phone to take apart the electronics of the controller and inspect some circuit boards. Turns out there were a couple jumpers missing on the card, and that was causing all the problems. My labmate ran to Radio Shack and picked up a pack of jumpers for $.99, applied them in the appropriate spots, and we've had no spindle problems since then.

A week of work for a $.99 fix...

So really, why work at all?

It's enough to make me throw up my hands. Who knows if *this* work will get me results, or *this* work is not worth doing? Ack! I guess all you can do is work your best and hope and cross your fingers...

Professional Societies

I got an email today reminding me to renew my membership to my field's professional society - ASME (American Society of Mechanical Engineers). I have been a member since my sophomore year in college. I mean shoot, the first year is free and after that it's only $25 a year. Although I had a scare when I graduated from undergrad, because the next year my email to renew my membership quoted a price with more zeros than I was expecting. They thought I had become a professional. Hardly! I quickly called them up and assured them that I am still a student, and the $25 price would be much more appropriate...

But even if the membership wasn't so cheap, I'd still be a member.

My dad was a member of ASME while I was growing up. I remember taking a tour of West Point in New York with my family when I was small, sponsored by ASME. There were little remote control tanks in a sandbox that really impressed me. Well, actually it was a "prototype demonstration" in a fancy "simulated test environment" but to me as a kid it was RC cars in a sand box. The engineer giving the tour told us it was important to test prototypes in the environment they would be used in, and I thought that was a genius idea that would never have occured to me.

My dad's closest business partner (now the vice-president of one of my dad's companies) used to work as the ASME college rep through the NorthEast. Through him and his ASME connections, I have access to a vast network of professional engineers and engineers in academia if I need.

ASME was also a big deal at my undergrad school. The student chapter was active and had good membership among the student body. I was an officer in the student ASME chapter for a year, actually. The network I gained was quite valuable - I got an internship through one of the people I knew through ASME.

And it's valuable to me now. Last year I attended the annual huge ASME conference. I presented my research for the first time, and I soaked up the work that others are doing. I saw my undergrad advisor, and one of my professors from undergrad. I hadn't even expected to see them - I didn't realize that my undergrad professors even WENT to conferences. Who'd have thought? Just goes to show what a different side of academia you see from the research/graduate side.

But strangely, none of the students I know here at World's Best School are remotely interested in professional societies. There is a student ASME chapter, but it has measly attendance from undergrads and little to no attendance from graduate students. People only sign up for professional societies if it gives them a discount to register for some conference they are going to.

I haven't taken a poll of professors - I know my own advisor is an ASME member, but I don't know about other professors.

So it's apparently important to me, but nobody else in the student population here.

How involved are you with professional societies? Are you a member of any?

Oh This Isn't Going to Go Well

I am particularly careful about my dating life and social life. I don't give out my number frivolously. But over the course of my two years here in Grad City, I've enjoyed getting to know new people. I'm a good judge of character and I've enjoyed getting to know the few guys I've had dates with, even though I didn't choose to stay with any of them for the long term.

But sometimes I miss.

A guy I was introduced to by a friend was charming, tall, funny, and seemed intelligent enough. Not an engineer, so I don't expect a rocket scientist...

But he texted me today saying, "Hi darling, this is _____, haw you'r doing ?"

Um, how I am doing is fine?

I called him back and left a message.

He called back at 11pm and wanted to come see me. At 11pm. We haven't even been on a date yet.

Oh yeah, this is not going to go well. In fact, it's not going to go anywhere.

Call me old-fashioned, but I like the guys in my life to be able spell and behave as gentleman.

After that, then I see if they can handle the fact that I like Star Trek, own my own cordless drill and have a Mensa card in my wallet... :) Most don't make it past that stage!

It's All In the Units

I am excited about working on a cool project this summer - I am designing a new machine. I'll post more on the project in a later post, but right now I am just in the earliest concept and planning stages. I've done some pencil and paper sketches, and shopped around for the parts I think I'll need.

I sat down today to start putting this stuff in CAD, and crank out some pretty 3D models to show my advisor at our next meeting. I immediately ran up against the very first design decision.

There it was, staring at me in a little pop up box. "You are creating a new assembly" it said, "Would you like mm or in?"

Well gees. I hadn't thought about it.

You know, shuttles have exploded due to picking the wrong units. This is important stuff.

There is always a debate in engineering on which units to use. The rest of the world has settled on metric units, but here in the US everyone think in English units. In academia we can get away with using metric for classwork (because who wants to deal with the stupid g_c factor anyway?), but in the real manufacturing industry (which our lab interfaces with, since we are a production and manufacturing lab) everybody still uses English.

Most professors compromise by requiring students to do problems in both sets of units, and so I've become used to converting over the years. We used to joke about the "kip" (which is a thousand pounds) as being, in the words of one of my more colorful professors, "the bastard child of the English and metric systems."

This units business is especially an issue in my lab because we make very tiny things. And everybody knows tiny things must mean micro-(insert your favorite buzzword here) or nano-(insert buzzword here). Most of my data is measured in microns, which is short for micro-meters. Some of my data is in nanometers. Nobody works in nanoinches.

But the machine I built for my Master's is in nice English units - 1" by 3" platens, 1/4-20 bolts. I use drill bits by the thousandths of a inch, and the machine shop tools are incremented in tick marks every five or ten thousandths. We have more standard than metric wrenches and hex keys and hand tools.

So I have to make a choice. I will have to use many shiny toys to build this machine - our new micromill included. Should I order the 1/64" drill bits, or the .5 mm end mills?

In short, "Would you like mm or in?"

I picked inches.

Because in the end, I think better in English units. I have a better sense of scale for English units. I will still have to convert between units I am sure for various reasons, but I am less likely to make a mistake in English.

And in the end, possibility of less mistakes and more convenient resources trumps international standards.

What do you work in? For class and/or for research?

A New Hat: Co-authoring My First Journal Paper

My academic career is adding a new hat to my arsenal of job descriptions: co-author. I'm working on my very first paper for submission to a journal - I have two conference papers under my belt, and it's time to step it up a notch.

A classmate and I did a rather neat set of experiments as our class project this last semester. We got good experimental results, and did some very nice statistical analysis of the data.

So the work was done like this: I produced the parts using the equipment I built and did the measurements to produce the data. I also wrote the introduction and experimental method section of the class project paper. My classmate did all the statistical analysis (quite a substantial amount of work), and wrote the Results and Conclusions section of the class paper.

Now we are preparing the paper we wrote for the class project for submission to the ASME Journal of Manufacturing Science and Engineering. My classmate is all gungho about this, and has kind of taken the lead on revising the paper, looking up more references we might need to include, etc.

I haven't had time to be as involved because I just got done graduating.

So I got his latest version of the paper yesterday, and the first thing I thought was - I wonder whoose name he put as first author on this baby? His own, of course.

And at first I was miffed, and then I realized it's probably appropriate. I was miffed because this is a paper in MY research area, not his (we're just classmates, he works in a different lab in a completely different area), and I was the one who made the parts and produced the data.

But then I realized that of the 23 pages in the paper (don't get me started - I know it's too long...), only five are things I wrote. The other pages and figures all deal with the statistical analysis and modeling, which my classmate did. And, my classmate has been the one pushing this paper. Also in the back of my mind is the fact that I have just started my PhD career, and I will have plenty of chances for first-author papers in the future.

So I think I'm not going to press the issue of who is first author. Besides, if I'm second author it means I am not expected to do as much work, right? :)

But now as I am reviewing the draft he sent over, I'm having trouble deciding how much I should comment/change. Do I change wordings and sentences which are probably fine, but I would have written differently? Do I delete whole sections, because I think the whole paper is too long? And at what point do I show this paper to my advisor, the PI? After all revisions between classmate and I, or now before we get too far into it?

I've never co-authored anything before, and this new hat has not settled onto my head yet. I guess I'll just have to squash it on for now, it might take a while to break it in.