We're a little crazy, about science!

Posts tagged “education

Exoskeleton experiments

Just a few of the exoskeletons we have in the main lab, two of them are self balancing the other two in the shot are not, but they all have different purposes.

Well let’s toss something else into the pile of “things I’m going to talk about, but can’t share the details because we’re working on a publication.” I’ve got yet another new project I’m working on! This is going to be so freaking cool and I’m super excited to start it. So let’s go over some of the details, at least the bits I can talk about. Eventually when all this stuff gets published, I’m going to have a ton to write about.

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Experimental failure

Well that was a …flop. Today I had an experiment, had. There are a lot of moving parts when it comes to an experiment, especially in my line of research. Technology, can’t live with it, can’t live without it. Still, somedays I wish I was living in the future, one where I didn’t need to reset my router randomly. Then I would know for sure the singularity was close.

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A wild collaborator appears!

A robot… in parts.

It seems like weird stuff just keeps happening left and right lately! Yesterday out of the blue I heard from a collaborator I worked with from the UK. It’s been months since we last spoke and he had some personal issues due to COVID, so I wasn’t actually sure I would hear from him again.

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More data!

Old wooden treasure chest with strong glow from inside.
Old wooden treasure chest with strong glow from inside.

It was a surprise to me, but I somehow ended up with a new dataset from a single subject. One that, after processing, could be the key to convincing my Co-PI once and for all that we have something real… or it could just be one giant mess, but if we don’t look we may never know.

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Problem solved

Sometimes we don’t need to think outside the box, the box can stay closed for the moment…

Everyone go back to what you were doing, nothing to see here! Yesterday I had an existential crisis, one that could’ve derailed my technique and any hopes I had at introducing something new into the world. With it, my PhD dissertation topic, meaning I would be over two years in and I would need to reevaluate my goals. Let’s talk about what happened!

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A snag

No tears, please. It’s a waste of good suffering.

You know… that’s how it goes sometimes. You’re cruising along and everything looks great then, BAM! Totally derailed. What happened? Turns out I have a problem with my data. Not a problem persay, more like an anomaly, one that throws a rather large wrench into what WAS a perfectly running operation. Things were looking good, but now… I have a doubt.

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A lot of changes!

While EEG caps look super high tech, it’s actually a low-tech solution to an environment full of electrical noise. Each channel is pre-amplified at the source to reduce contamination as the signal travels down the cable. The first active electrodes? Made sometime in the mid 90’s, so a surprisingly new advancement in the history of EEG!

Well if there was any doubt that I write these daily I’m sure yesterday’s brief post explaining my panic helped answer that question. It really was a busy day and that’s not a bad thing. Things are… changing and I can’t tell how they will turn out now, but I’m anxious to see the outcome. How very mysterious! Let’s talk about it.

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A busy day!

Well it’s been… a day, which for me started at 5am. It’s not over either! Our experiments ran long so I haven’t had a chance to get a break in between the different experiments and now I have class, so basically this is the post. It’s a busy day and I still have so much work to do! Good luck to everyone out there who is also swamped. Hopefully the weekend will give us a break!


More on mentorship

It’s dangerous to go alone!

One of the more enjoyable aspects (see: favorite thing ever) of being a PhD candidate and about half way done with my degree (… WAIT. HOW THE HECK DID THAT HAPPEN?!) is that I get to be a mentor. To be fair, I’ve been mentoring since my senior year of undergrad, but my style has developed and I don’t… flail as much as I used to when I first started mentoring students.

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Dataset mining

We use heavy equipment to mine our data around these parts…

I did an experiment! That’s old(ish) news, but now I have some data to play with… lots of data. So now I get to do something somewhat enjoyable and that’s try to get cool and interesting stuff to fall out of it. All you have to do is shake it really hard and hope for the best.

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A breakthrough

Oh yeah!

Well… where the hell do I even start? Yesterday was actually a semi-okay day. I mean the world is still on fire, the pandemic is still killing far too many people( but somehow not enough for the people in charge to care), and I mean let’s face it, it feels like the human race is in the death throes. HOWEVER, all that aside, my microscopic insignificant day wasn’t bad… now I’m worried.

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Distractions, distractions

Comic by theAwkwardYeti

Why people think that we could be MORE productive in a pandemic is beyond me. I can barely get myself out of bed most mornings when there ISN’T a pandemic killing ~1200 people a day. I mean how high does that number need to be before you too are less productive my fellow compassionate human?

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The Nyquist frequency

Parts to a wave (top left) a example wave (bottom left) and different examples of how waves change based on frequency (top right) and amplitude (bottom right)

A few days ago I realized I had never bothered to explain the nyquist frequency. Considering it’s been over a year now since I explained some of the frequency domain things that I do in my lab, I’m actually surprised I missed something so important. Well, better late than never today we’re going to explain the nyquist frequency and why it matters… to my work at least.

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On being exceptional

If you’ve read my blog for any length of time then you know I’ve had a hard life. A very, very, hard life. The thing that keeps me going isn’t money, it’s not the chance for fame, or for people to remember me when I’m gone. The thing that keeps me from very literally killing myself is the chance to help people. That’s a selfish goal, but everything that drives us at its core is a selfish thing.

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Fact or artifact

Does it belong in a museum though?

A new turn in the saga of my data processing. There has been some concern that the artifact from the stimulation is causing the thing I am seeing in my data. There are arguments to be made for both sides, but let’s go over what that could mean for me.

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Path planning

One would think that the pandemic would put a lot of things on hold. Unfortunately (here in the US anyway) that isn’t the case, it just makes things harder to do because everyone expects you to perform at a higher rate now that you’re not commuting to school… how the hell that works is beyond me.

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So much data

This has basically been my progression in this project.

Well I’ve processed (poorly) about half of my data. Now, when I say poorly I just mean the visuals for it are garbage and I need to tweek the sizes and things to make it look nicer, but the idea is that I’m more interested in finding something than I am in making it look pretty. I’ve processed two of four of my subjects and well I’m excited!

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The after

I’m trying to remain calm. I am an objective observer in the world of science and whatever the result, I will NOT let it cloud my emotions. I am neutral and I will remain that way… oh who am I kidding, I DID IT! Two years of planning and convincing people this would work. Then last night I had my first result, and it was a relief. It was a small step, but one I was afraid the data wouldn’t let me make.

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Into the unknown

Time to cross that bridge…

Today is going to be a somewhat anxious day for me. It’s the day I get to crack open my data and see what spills out. There was a process to get to this point of course, it took me about a week, but today with just a few clicks I’m going to see if I have something or if my idea was never meant to be.

Read more… if you dare!

How to 3D print… yourself!

It’s hip to be 3D…?

Ever have an MRI or a CT done and thought, “I really wish I could do something with that.” Well you’re in luck! Today we’re going to do a quick rundown on how to take a medical scan and convert it to a workable 3D model. Something you could 3D print for example! As with everything else I do around here, this is done with free software so the only limitation is your access to medical scans, but we can get into a work around.

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3D Print… yourself!

It’s hard to tell the scale from this image, but you’re looking at a full sized copy of my spine. Yes, full sized as in big, really big!

You know what’s boring? Going to the doctors office and getting an MRI. You sit there forever! Of course a CT scan is faster, but there’s still a lot of waiting involved and in the end, you get to see a quick glance of the images captured if you’re lucky. Where’s the fun in that? Well I’m here to help you do something with that information. Useful? Maybe. Fun? Definitely!

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School is coming…

3D printed spinal column still in parts getting ready for cleaning and assembly.
Did I mention I 3D printed my spinal column (as in a copy of MY spinal column)? Because I did. I’ll post up an explainer how later, but here it is in pieces waiting for me to have a few free moments to clean and assemble it. In the meantime, this is the teaser image for it.

With classes about to kick off I’m left wondering what will be different for me. This term I’m doing the safe thing and taking a single online course. The rest of my time will be focused on my research and doing what I need to do to be ready for my PhD proposal defense (the step I want to take this fall term. So what am I doing to get ready?

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School and COVID-19

School being cleaned in preparation for students return. This is security theater, it spreads from student to student more readily than from desk to student.
This is security theater, like taking your shoes off at the airport, it does nothing to keep you safe. Instead it makes people feel better, in this case the school for letting your children spread this virus without a care.

School, I would like to consider myself a lifelong student, but formal instruction is a little different than learning on the job or via the web. With classes starting, my stress seems to be slowly ratcheting up. Oh I’ll be fine, I’m taking an online course this term, I’m worried about everyone else.

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A busy day!

Yep I use this image a lot, but it’s such a great representation of our labs work!

Well I didn’t plan for it, but today is a busy day! I’ve got a lot going on at the moment so not a lot of time to write. Let’s just talk about what I’ve done and have left to do so I can get back to it.

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