I’ve been curious how many working researchers we’ve got in this community, and what you all do!
If you’re working in science (physical or social), engineering, etc in a research capacity, give a shout in the comments and let us know what you work on! Same goes for students and amateur scientists at any level. (And by amateur I mean those of you who are working on your own experiments but just not being paid for it / not working on a degree; I’m upset that “amateur” has a negative connotation, it shouldn’t.)
I’m currently a PhD candidate, working on transmission electron microscopy and electronic materials (mainly ferroelectrics). In the past I’ve been involved in research / product development in a few different industries, including medical devices, aerogels, and materials for RF devices.
I’m a PhD candidate too - my contract is finished now, but I am still writing my thesis. So I am currently at the awkward intersection of finishing a thesis and looking for a job.
My PhD focus is in applying time-resolved spectroscopic techniques to study the excited state dynamics of molecules. Basically, these are experiments in which a pulsed laser is used to excite the sample and a second probe light is used to measure a change in the absorption in response to the light. By measuring these changes in the absorption as a function of time, and applying quantum chemical methods to calculate the spectra of potential intermediates, one can sort of recreate a movie of what the molecule is doing after it absorbs light with a time resolution of femto to picoseconds. The materials that I study are organic dyes that are useful for microscopy, as well as molecules that respond to EUV light for applications in photonanolithography (for making the very small transistors in computer chips).
I am also an “amateur” scientist when it comes to biology, as many of my hobbies are nature-based and it’s not like I can turn off the science bug when it comes to hobbies.
Well that’s fascinating! The technique sounds a little bit like a cross between Raman and EXAFS/XANES? (Probably just because those are two techniques I happen to be familiar with though.)
Raman and EXAFS/XANES are techniques to probe different types of molecular transitions. Vibrational raman probes molecular vibrations, and XANES probes electronic transitions due to excitation of core electrons. Each technique will help you obtain different molecular properties. The standard approach is to apply these methods to do “static” absorption studies, meaning that one studies the transitions induced by these light sources in order to obtain molecular information of a given sample. The time-resolved techniques expand these measurements along the time dimension, so you can measure these properties but in a sample that is changing extremely quickly in response to a trigger (usually light).
So, it is not that the technique is a cross between these, but rather an approach to take Raman, or XANES, or IR-spectroscopy, or UV/Vis absorption spectroscopy, and then apply it in a time-resolved manner. You can usually take any spectroscopy technique and add “time-resolved” at the beginning and you will find someone doing that. Of course, some techniques are easier to perform in practice than others. I have done some time-resolved XANES experiments, and for those we need to go a synchrotron and the experiment is really tricky. A time-resolved UV/Vis can be done in many university labs. I don’t have practical experience with Raman experiments.
It’s science-y enough but I’m definitely not considered a scientist so much as a technologist. I work as a MRI (Magnetic Resonance Imaging) Technologist. Previously a X-Ray Technologist.
My machine does all the science for me but it’s a pretty neat concept. Using magnetic gradients and RF pulses at hydrogen protons to acquire accurate digital imaging.
Happy to have you! The science behind MRI is fascinating, and the machines themselves are really cool. Have you ever seen a magnet quench? I don’t think they’re really supposed to happen during normal operation, but some of the videos I’ve seen have been rather dramatic.
It is pretty crazy people were able to figure that all out and we are able obtain crazy detailed pictures without radiation.
No I haven’t seen it! Hoping to see a controlled quench someday but also hoping to avoid needing to use it in any emergency situations; it’ll have to be a damn near life/death situation to hit that button. Very costly decision. I guess there’s also a dwindling supply of helium in the world so that could get interesting as time goes on.
Yeah, helium being a finite resource was something that really surprised me when I first learned about it! Better to keep it inside the MRI as much as possible for sure
helium recovery and recycling has come a long way, and the costs of helium are now justifying the extra expense of the hardware, so I think that problem should abate somewhat in the coming years.
I’m an associate professor in computer science, currently working on stochastic algorithms (like genetic algorithms).
Until now, I’ve been working on quite abstract optimization problems, but I’d like to switch to more useful applications, like social inequalities or climate change.
I’m a research professor of neurology, and my research focuses on developing novel cognitive assessments for measuring early-stage Alzheimer’s disease and other types of dementia.
That’s a field where it seems (to an outsider) like a lot has been happening recently! Glad to have you here!
You’d be correct! The new anti-amyloid drugs are very exciting, and it makes my work on preclinical Alzheimer’s even more fulfilling as it can have a real impact on getting people tested and treated as early as possible.
PhD in Geology. Now am a research scientist working in more general materials science/chemistry/gas adsorption. My thesis was on lunar petrology where I studied Apollo 16 samples. My current research is much less exciting. Haven’t touched a rock in ages and my geologist heart hurts from it haha
I’m a professor of chemistry, I mainly do organometallic research but we’ve been branching out into other areas.
@sensibilidades @realChem MOFs are hot
Very cool! My only experience with organometallics is with CVD and related technologies (like we’ve got one machine we use called a FIB – focused ion beam – that uses an organometallic as a carrier for platinum deposited as part of the process). Mainly I think of them as “probably toxic, probably pyrophoric, treat with extreme caution” sorts of chemicals.
Social sciences, expert/consultant position. We have our own in-house research, and collaborating with them is always good fun
Cool! So like a company that consults out on social sciences issues for other companies, and you collaborate with your in-house research team to try to answer questions your customers have?
Yeah, kinda. It’s a non-profit providing research and offering consultation on the well-being of the population. We also have a service side that provides sexual education, family planning help and relationship counseling. The data from the service side is used in conjuction with wider population data to have a peek at societal trends etc.
Sounds like a very valuable organization! I’m glad to hear you’re having some fun working there, too.
Development engineer working with autonomous vehicles.
Worst part of it is having to interact with Tesla bros who think that they have self-driving figured out despite what experts in the field tell them.
Best part of it is being able to code functionality then sit down inside an actual physical vehicle and see, hear, and feel it act out what you programmed. Incredibly satisfying.
I’m a PhD in chemical engineering and work in a testing laboratory for electrical engineering insulating materials. My dissertation was using predictive modelling (some data mining and machine learning, some more classical statistical methods) to estimate material properties from spectral data. I’m trying to combine a full-day engineering job with writing more journal articles in my spare time. Currently not going well but at least I’m not lacking for data!
Haha that sounds like it must be keeping you real busy! I’m currently spending most of my days writing and it takes up so much time on its own I can’t imagine trying to combine that with a full time job. More power to you!
I see from elsewhere in the thread that you did chemical engineering as an undergrad so – hi, colleague! :) My PhD took a very long time to finish and I would never ever recommend combining industry with academia. I’m a masochist I guess.
Have you done any work with liquid ferroelectrics (e.g. https://doi.org/10.1016/S0304-8853(99)00066-9)? Those were all the rage in my field because they were expected to enhance convection cooling and the dielectric properties of liquid-cooled equipment significantly. Then they just… fizzled out.
I’ve not! My work has been exclusively solid-state materials so far – they’re just much easier to observe in the TEM. It’s not impossible to do TEM on liquids / colloids, but it’s a pretty specialized technique that I’m only passingly aware of as a thing that’s possible. Seems like a pretty cool area though, I wonder why it fizzled out.
I’m a postdoc, working on laser-plasma/ interactions and electron accelerators. My PhD work was on ultrafast electron diffraction.
ultrafast electron diffraction
That’s pretty fascinating stuff! I know a lot about electron diffraction in general (in the context of TEM/STEM/4D-STEM), but not ultrafast. What kind of processes were you studying with that method?
Our beamline is still very new (my main focus was actually on building/commissioning it), so for now, we’ve just been looking at relatively simple processes like the Debye-Waller effect, where the diffraction spots become weaker as the temperature rises.
The ultrafast capability comes from the electron beam having a sub-picosecond duration, which essentially corresponds to the shutter speed of a camera. By varying the delay between a pump laser and the electron probe and observing the change in intensity of the diffraction spots, we can figure out how the heat deposited by the laser diffuses through the sample, and make a “molecular movie” of this process. It’s in the same spirit as other pump-probe experiments, like what @Salamander does.
I work at a company that makes large and small rocket engines (e.g., the ones on SLS/Artemis, and solids for a number of defense programs), and various electrical power systems (e.g., for the ISS and some of the Mars rovers). I manage the space software engineering organization.
Look at this rocket surgeon, over here. SMDH.
I’ve got a PhD in nonlinear vibrations. I’ve left academia for the space industry though.
That definitely sounds like something that could be useful in a lot of different ways - including in the space industry!
Yeah well most industries pray that everything stays all good and linear, but sadly it isn’t always the case haha. The next level is to design a structure with nonlinearities on purpose.
I studied environmental science as a major and am working in hazardous waste site remediation, water and wastewater treatment, and dabble in assisting some civil engineering projects.
That’s very cool! One of my friends in undergrad did a co-op working with a wastewater / hazardous waste treatment company. It seemed like a surprisingly (to me at the time) vibrant field, with lots going on!
It’s good to hear about people giving the industry a try! There is really so much career opportunity, and it’s not going anywhere. I’ve weather multiple recessions, housing crises, economic booms and downturns in this industry and it is just steady, because it is so essential. I hope more people consider it as a career because the field is suffering for lack of licensed professionals.
@Knickknack @realChem I graduated in chemical engineering back in '83 and found myself in wastewater treatment consulting. I gradually transitioned to industrial wastewater and then hazardous waste remediation. It was a good gig! Retired in 2001, so it has probably all changed quite a bit. Good luck to you!
That’s so cool, and thank you. I often think I would have loved to study a chemistry or engineering discipline, if I had been more in touch with my abilities and interests as an 18 year old starting college. I did complete what was a newer degree at the time called environmental technology, and it was geared toward renewal energy technologies with a lot of various science based courses as backbone. But certainly, the industry has changed a lot even in the time I’ve been involved, starting as a hazardous waste site remediation project manager for an environmental consultant, then got water and wastewater treatment licenses in 2005 when I saw an opportunity to get in on an emerging sector in the company I was working for. Right now the industry is struggling for licensed professionals, even while regulators push ahead in requiring more and more use of the technology. Should be interesting to see how it develops over the coming years. Overall though, I had been very fortunate to truly enjoy my career and the industry I work in.
@Knickknack I volunteer with openaircollective.cc - focused on carbon dioxide removal, speaking of emerging sectors. It is all volunteer, and a good way to follow the burgeoning climate change mitigation realm. I’m using a lot of what I learned over the years in business to develop a wiki there: https://openairforum.org Come by some time!
Hey you know what? I saw a post about this yesterday (it was probably you!) and thought it sounded like an incredibly valuable pursuit. I will definitely check it out, thank for the links.
I’m a software developer who works on Backend/APIs/Cloud/AI.
Currently browsing Lemmy instead of actually doing work in my home office…
Graduate student in ecology, just finishing up.
Congrats on (being close to) making it through!
