while i’m on a little STEM sharing kick, here’s one of my favorite textbook intros of all time
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while i’m on a little STEM sharing kick, here’s one of my favorite textbook intros of all time

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Are there any radical feminist groups here with the purpose of collaborating on research and publishing articles? Tumblr is nice and all, but to make the good ideas here accessible, we need to present them professionally and credibly. I'd kill for a gc on reviving radical feminism in academia.
Today in lecture we talked about spectroscopic photoemission low energy electron microscopy, or SPELEEM, which you can pretty much only do in Sweden. It basically allows you to do PEEM, LEEM, and XPEEM with one instrument.
I think physicists should be in charge of coming up with the names for every single thing forever.
She LEEM on my PEEM until I SPELEEM on her XPEEM
Delete this off my website
Okay doing a bit of actual scienceposting for a sec:
So to do any of these techniques you need a synchrotron, which are big electron particle accelerators used to generate high-intensity light. They typically have a dozen or so beamlines jutting off like spokes – each beamline has one instrument and experiment at the end, and waiting lists to get time on a beamline are not short.
This is a fun render of the SOLEIL synchrotron in France, for reference. I'm going to do a longer, proper sciencepost about the history of synchrotrons at some point in the near future, stay tuned.
There are not that many synchrotron light sources worldwide, and of those, the total global inventory of beamlines with a SPELEEM instrument is comfortably in the single digits.
Anyway, one of the newest and most advanced synchrotrons in the world is the MAX IV facility in Sweden, which has a SPELEEM device on their MAXPEEM beamline.
Please tell us how to get into IT without a degree! I have an interview for a small tech company this week and I’m going in as admin but as things expand I can bootstrap into a better role and I’d really appreciate knowing what skills are likely to be crucial for making that pivot.
Absolutely!! You'd be in a great position to switch to IT, since as an admin, you'd already have some familiarity with the systems and with the workplace in general. Moving between roles is easier in a smaller workplace, too.
So, this is a semi-brief guide to getting an entry-level position, for someone with zero IT experience. That position is almost always going to be help desk. You've probably heard a lot of shit about help desk, but I've always enjoyed it.
So, here we go! How to get into IT for beginners!
Y’ever read something and have understanding that has eluded you interminably suddenly stop, curl up, and snuggle neatly into a fold in your brain because a new way way opened to it?
I've seen this passes around a few times, and I have one thing to say:
It's online. The book was carefully and wonderfully recreated online by hand. You can find it here. The entire book is this easy.
calculusmadeeasy.org

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Free resources for learning electrical engineering and electronics
I made a list of free learning resources for electrical/electronics engineering students.
Courses
Khan Academy electrical engineering course
Class Central electrical engineering courses
Class Central electronics courses
Alison electrical engineering courses
Alison electronics courses
My MOOC electrical engineering courses
My MOOC electronics courses
Instructables electrical engineering courses and projects
Instructables electronics courses and projects
Coursera electrical engineering courses (note: not all Coursera courses are free)
Coursera electronics courses (note: not all Coursera courses are free)
FutureLearn electrical engineering courses (note: not all FutureLearn courses are free)
FutureLearn electronics courses (note: not all FutureLearn courses are free)
Skillshare electronics courses (note: not all Skillshare courses are free)
Coursesity electronics courses (note: not all Coursesity courses are free)
edX electronics courses (note: not all edX courses are free)
OpenLearn An introduction to electronics
YouTube
The Engineering Mindset
Practicing Electronics
GreatScott!
ElectroBOOM
BEEE Works
EEVBlog
SR electric
learnelectronics
Superb Tech
Electronoobs
Jeri Ellsworth
CAD CAM Tutorials
Simply Electronics
THE ELECTRONIC GUY
CAD CAM TUTORIAL
inventor KR
Technical Creative Channel
HowToMake01
Electronics repair school
CircuitBread
Websites
IEEE
Electrical Engineering Portal
Electrical Technology
Software
FreeCAD
Scilab
QElectroTech
KiCAD
LTspice
Arduino IDE
SimulIDE
Online design tools & resources
Texas Instruments Design tools and resources
Analog Devices Design Center
OKAWA Electric Design tools
RF Tools
CircuitLab
Circuit Simulator
PartSim simulator
TinkerCAD
Virtual Labs (Electrical Engineering)
Virtual Labs (Electronics & Communications)
If you know something else, that sholud be on this list, feel free to add links!
Why have some brilliant innovations – from rolling luggage to electric cars – taken so long to come to market? Macho culture has a lot to an
Very interesting article about gender roles stifling the pace of innovation and ‘progress’ (here meaning the ratio of our ease of movement through the world vs our impact as we move through it)
I think everyone’s mathematical journey would have been so much easier if they showed you the sine, cosine, and tangent unit circle (R=1) animation in precalc
Below is sine and cosine graph in relation to circle (R undefined)
Below is tangent graph in relation to circle (R=1)
below is all six trigonometric functions on unit circle (R=1)
I LOVE Excel! I took an Excel class during University and I’ve never stopped using or learning about it since. During my summer internship, I would literally use Excel functions and macros for hours every single day. Even if you don’t want to be an Excel fanatic, learning a few basic functions will make your life easier (and even impress a few managers along the way!).
I’ve outlined below some of the most useful Excel functions to learn. Some of these functions are very basic but can make a huge difference. These functions save time, automate procedures, and make your life easier! And if you need some help on how to learn them, I’ve listed some helpful resources to get you started. With all of us social distancing at home, now is as good of a time as any to add a skill to your resume.
Excel Functions to Know:
SUM: returns sum of cells selected
SUMPRODUCT: multiplies ranges or arrays together and returns the sum of product
IF: return one value for a TRUE result and another for a FALSE result
SUMIF: returns the sum of cells if the cell meets a single condition
AVERAGEIF: computes the average of the numbers in a range that meets a certain criteria
VLOOKUP: lookup and retrieve data from a specific column in a table can be exact or approximate match
LEFT: returns a given number of characters from the left side of text string
RIGHT: returns a given number of characters from the right side of text string
CONCATENATE: joins the text of cells together and returns the joined text in one cell
LENGTH: returns the given number of characters in a text
Resources:
Excel Jet: Very useful as a type of Excel dictionary to look up syntax and specific formulas you don’t know
Excel Easy: almost like on online textbook for Excel (great resource for those who have no knowledge of Excel at all!)
Udemy: paid excel course with lots of videos, assignments, and downloadable resources
Coursera: self-paced learning option, quizzes and assignments, and a course certificate
Excel Youtube Course by Technology for Teachers and Students
Prologue to my Excel series
I’ll also be posting Excel tips, tricks, function explanations, and some basic Excel tutorials so if you’d like to see more appear on your dash in the future, follow my blog and look for my Excel series.
I recently discovered “Violin plots” and started using them in my presentations as they represent probability density of data very well. For a room full of people, men had a strange look and girls smiled visibly. Do you girls notice anything strange? :D
Oh this is delightful!

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The science world is freaking out over this 25-year-old's answer to antibiotic resistance
A 25-year-old student has just come up with a way to fight drug-resistant superbugs without antibiotics.
The new approach has so far only been tested in the lab and on mice, but it could offer a potential solution to antibiotic resistance, which is now getting so bad that the United Nations recently declared it a “fundamental threat” to global health.
Antibiotic-resistant bacteria already kill around 700,000 people each year, but a recent study suggests that number could rise to around 10 million by 2050.
In addition to common hospital superbug, methicillin-resistant Staphylococcus aureus (MRSA), scientists are now also concerned that gonorrhoea is about tobecome resistant to all remaining drugs.
But Shu Lam, a 25-year-old PhD student at the University of Melbourne in Australia, has developed a star-shaped polymer that can kill six different superbug strains without antibiotics, simply by ripping apart their cell walls.
“We’ve discovered that [the polymers] actually target the bacteria and kill it in multiple ways,” Lam told Nicola Smith from The Telegraph. “One method is by physically disrupting or breaking apart the cell wall of the bacteria. This creates a lot of stress on the bacteria and causes it to start killing itself.”
The research has been published in Nature Microbiology, and according to Smith, it’s already being hailed by scientists in the field as “a breakthrough that could change the face of modern medicine”.
Before we get too carried away, it’s still very early days. So far, Lam has only tested her star-shaped polymers on six strains of drug-resistant bacteria in the lab, and on one superbug in live mice.
But in all experiments, they’ve been able to kill their targeted bacteria - and generation after generation don’t seem to develop resistance to the polymers.
Continue Reading.
Yes. All the yes. Women in STEM deserve ALLLLLLLL the applause. All of it. And cake. All the cake, too.
The science world is freaking out over this 25-year-old’s answer to antibiotic resistance: from Edward the Booble http://bit.ly/2MABk2O via IFTTT
I love this solution because it’s just… So simple. Everyone is getting deeper and deeper into pharmacology trying to find new stuff and new combos that’ll overcome bacterial resistance (while Big Pharma rakes in the profits) and this student was like “what if.. We just.. Physically rip it the fuck apart?? What’s it gonna do? Develop resistance to me cutting a bitch?”
Iconic
Medicine: How do we defeat anti-biotic resistant super bugs?
Shu Lam: What if we just beat the shit out of it?
Why I nearly failed my first year of college/university - and what to do instead
Hey everyone. I haven’t written a studyblr post in ages but I had the idea for this post in the car and I thought it couldn’t hurt to share it. As some of you may know, I graduated from uni last year and I’m going to start my Masters next year! But, a couple of years ago, I was failing my first year of university and things were dire. So I thought I’d write about the reasons I ended up in that situation, and how to avoid it.
1) I couldn’t make it in time for my 8 a.m. calculus class.
I commuted every day to university with my sisters and some of my cousins. Which meant that - every morning - somebody was running late and the earliest I’d get to class was often a good fifteen minutes in. Which was often the most important part of the lesson, and I’d struggle to find a seat at all (thanks to the commerce kids attending the science calc class -____-). This ended up being so demoralising I sometimes didn’t even bother attending the class or watching the lecture recordings because I was so far behind.
What to do instead: if you miss a class, watch the lecture recording on the same day. If there’s no lecture recording, find out what topics were covered and self-study from the textbook on the same day.
2) I didn’t know how to catch up on work.
I was one of those annoying students in high school. I’d go to school about three-four days a week (thankfully my mom was very lenient) and still keep up with all my classes with barely any effort. So when I got to university and missing a class meant that I missed a whole lot of work, I had no clue how to catch up. I didn’t know how to check the syllabus for the topics I needed to study, how to ask my friends what we did or how to find the material in the textbook or online notes. I had all the resources but I didn’t know how to use them.
What to do instead: learn how to study. The studyblr community has great advice on this! You can also ask your friends for help, or even other students who are a year or two ahead of you!
3) I didn’t do my homework properly.
The biggest trap at university is homework that you’re assigned but won’t be graded on. For calculus and maths-related courses in particular. Because you don’t have to hand anything in…it’s super easy to just not do the work. I spend all our tutorial classes chatting to my friends and not even asking for help - because I didn’t do the homework in the first place. It meant that I didn’t get any practice at using calculus until I crammed for my first test and was promptly handed back at 23% (yes…23%). My grades only really improved once I started doing the homework problems we were assigned. For my physics class, where our homework problems were graded so I actually worked on them every week - I passed without a problem (though my grades were just average)
4) My mindset was all wrong.
This is something that I’m still working on. In high school, my natural “intelligence” got me straight As with zero effort. But at university, that “natural intelligence” wasn’t enough and I was failing HARD. I thought there was something wrong with me. That I somehow wasn’t intelligent at all and that’s why I was failing - because I wasn’t smart enough. I can now confidently say that I was completely wrong. I was failing because I wasn’t doing my work (see Step 3). It wasn’t until I overcame this mindset (known as a fixed mindset) did I start improving (around the time I actually started doing my homework). Natural intelligence can only take you so far. Eventually, you need to do the work. So don’t pay attention to anyone else who seems to be just breezing through university without effort - they’re either cheating or working hard when you don’t see them.
What to do instead: research the “growth mindset”. If you have time, the Coursera course “Learning How to Learn”, as well as the ethos of Khan Academy, concentrate on developing a growth mindset.
Also: Do the work.
5) I didn’t know where to study.
Finding *your* study spot is something that really takes time. When I tried to study at first, I couldn’t settle on a good spot. I’d try to find somewhere I could hang out with my friends at the same time (bad idea) or I’d go to parts of the main library that were dull and uninspiring. At home, I could do some work, but I also got distracted easily. I only really found my ideal study spot in my 2nd year of uni - a small, quiet, botany library with ancient-but-beautiful books, natural light, overlooking the street without being distracting and most importantly fairly secret and quiet. I could study undisturbed there and the surroundings helped me feel calm and comfortable.
What to do instead: ask around for good study spots and try them out. Older students especially! They know all the good spots because they’ve been around for a while!
I hope you found this post helpful! If you have any questions, don’t hesitate to send me an ask or a message. If you’d like to see more of my postgrad life, please give me a follow. I also have a bookstagram account where I occassionally share some of my planning and artwork as well.
Happy studying
xx Munira
This amazing lady came to stay with me via Couchsurfing from Argentina. She’s a qualified architect who wants to design and build sustainable, ecologically friendly housing. Honestly, she’s a wonder. Also, as it happens, her voice is haunting and she has a million other skills besides. This is her YouTube channel.
Let’s make the connections and start planning, designing and constructing a future that’s female.
Eva Moser (1982-2019) was an Austrian chess player. She held the titles of International Master and Woman Grandmaster.
She started playing chess at the age of ten, and won various junior championships eight times. She was awarded the title of Woman Grandmaster in 2003, the first Austrian to achieve this. In addition, she held a degree in business administration.

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Thermofluids Notes
Excuse the appalling quality of my handwriting and workings, I'll put this up here to shame myself into copying up my notes more neatly from now on!
02/11/18
Wow, so I've not updated in ages. Life has gotten so crazy, and I can't say it hasn't impacted upon my studies & updates massively.
For one, Adult Life Stuff! Which is incredibly stressful! I'm failing two classes and the panic attacks are back with a vengeance. On the bright side, there's a field trip to a power plant next week, which is going to be really interesting!
Nevertheless, I shall persist until I either fail totally or they throw me out. Today is my day off, so I organized the work I've done and filed it properly, and I've created a study plan for the weekend that covers what I need to be doing. Now to stick to it.
Good luck in your studies! The struggle is real! We are here to learn! Don't let the system grind you down!