So, in the fine tradition of using bananas for scale…
Bananas are slightly more radioactive than the background, due to potassium-40 content. So an informal unit of radiation measure in educational settings is the ‘banana-equivalent-dose’, which is about 0.1 microsieverts.
My particle spectrometer saw first light today, and I figure that I could use a banana to calibrate it. Then I noticed that K-40 undergoes a rare (0.001%) decay to 40Ar, emitting a positron. So not only is a banana a decent around-the-house radioisotope source, it’s also an antimatter source.
Truly a remarkable and versatile fruit.
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I learned recently how the James Webb Space Telescope is not orbiting around Earth but literally orbiting around an empty point in space. I don’t think I even quite understand it, but it’s really cool
My PhD thesis
This is actually something that people are intended to understand by design.
I’ve been dealing with this back pain under my right shoulder blade for like 6 years or so and I can’t seem to figure out what’s causing it or how to treat it. I think it’s called “rhomboid pain”. I’ve seen a doctor once and physical therapist twice and the best they can do is recommend I stretch and go get a massage. Yeah thanks guys. Totally haven’t tried any of that.
I’ve always had a bad posture but it’s been getting better yet the pain has gotten worse so I don’t think it’s that. I doubt it’s weight lifting either because I had been lifting for almost 10 years before the pain appeared and taking a break doesn’t make it better and lifting heavy doesn’t make it worse. I don’t think it’s mountain biking either because the pain started before I bought my bike. I also got a new bed, tried different pillows, tried sleeping on my back, pillow under my knees. Sleeping on both sides with a pillow between my legs. Nothing. Also it’s rarely bad in the mornings but rather on the evenings.
Well - it’s still early to say, but I have a new idea what might be causing it and I think this might actually be it. I think it’s because I switched from a desktop computer to laptop. It perfectly correlates with the time I started experiencing this pain. I now sit for hours and hours every day with my right hand extended to reach the trackpad. It has to be that. I now switched to mouse and a keyboard and let’s see if that makes a difference. Only been doing that for few days now but I have zero pain right now.
I hope the new keyboard and mouse do the trick! I also was experiencing wrist/arm/shoulder pain after I started working primarily on a laptop. I got a split keyboard that i can angle in a more ergonomic manner, and that single change cleared my pain up. Repetitive stress injuries suck. and I hope you find relief with your new work setup.
It probably doesn’t help that I’m also literally sitting in front of my dining table on a shitty chair, but it’s not like I had some super ergonomic computer station before either. I really hope this helps because otherwise I’m out of ideas.
I would definitely suggest getting a good chair. Being able to adjust the height and stuff is really important, especiallyfor shoulder pain. Take a look at used gaming chairs and/or keep an eye out for recently discontinued models at brick-and-mortar office supply stores (mine was super cheap because they only had the floor model left).
Do you keep your wallet in your back pocket when sitting?
Nope. Thanks though.
I have had chest discomfort for decades. I’m 46 and it started when I was about 25. Doctors never found anything. I’m lucky to have good benefits and have been going to masseuses for over 10 years.
A couple of years ago tried a new masseuse mentioned the tightness and she found a huge lump of scar tissue she massaged out. I’m still not perfect but I’m light-years better.
My point is, get a massage and never give up. You just need to find the right person to find it.
Yep. I even got this back when cleaners moved my mouse from in front of key keyboard spacebar to the right of the keypad, until I noticed what had happened.
I put my mouse between my body and the keyboard and it goes away.
Good luck!
I have a distant sibling that I’ve been building a relationship with over long distance. Saw them in-person and realized that they have quite a few toxic traits from one of our narcissistic parents. I don’t know what to do now. I’m pretty traumatized from that parent and my sibling doesn’t see any of it as a negative. I don’t think I have the ability to open their eyes on it, either. I want the relationship I thought we had.
A couple of weeks ago my wife and I got jiggy for the first time in five years. After our third kid she just went completely off it and we’ve been in a dead bedroom situation ever since, she told me how she felt and despite my frustration I understood and respected her wishes. A couple of weeks ago I just opened up about how I was feeling unloved and then blam! It happened out of nowhere. I was in a daze and couldn’t believe it. Now I’m scared it’s going to be five years before it happens again.
Converting a high resolution photo scanner into a large format digital camera
There’s a lot that goes into it and I’m still fairly early in the process but it is possible and has been done before
I already have some lenses that will cover the whole scanner bed, it’s mostly a question of power at this point
only thing i don’t understand about it is why are you dong this
Perhaps a huge sensor like that is good for night/astrophotography
Not so much really, it would be more capable for like landscapes and architecture due to the time frame it’d take pictures in
so you’re really trading long exposure time + large size for extremely high resolution, that’s pretty cool actually
Will that not just result in a terrible camera…? O.o
Surprisingly no
Such scanners can scan at incredibly high resolution
Hundreds of Megapixels in fact
The main thing the time it takes to scan the image is quite high, like 30 seconds or do
Edit: Here’s an example photo from someone who did what I’m talking about.
That’s actually pretty fascinating, thanks.
Please do update us on your progress! This is really fascinating
Once I finish it I’ll be sharing information about it and pictures it takes on multiple photography groups across Lemmy
How it feels to never have had anyone in my life that I could just randomly call up and talk about happy and sad things with.
If you’re really set out on doing this I’d gladly make the call
I replaced the back wheel bearing hub on my Celica, but yet I can still hear the droning noise. What gives?
Is it a rear wheel drive? Maybe your differential is worn. I hope not because that’s expensive to fix.
It’s front wheel drive
I’m in love with an old friend. I’m married. I have two children.
It still feels right.
Are you gonna divorce for your friend?
I know for a fact this friend wouldn’t take me.
Did you ask them recently?
No need, she told me herself.
There’s a part of me that really wants something to take over my body or replace myself with an entirely different person who does all of the things I struggle with. Even if it wasn’t a person, if it did work and made my family and friends proud then I could stop struggling.
Oof.
I feel this all to well.
I highly recommend reading https://www.strugglecare.com/book .
It’s not self-help. It’s not going to “fix” you.
But reading it was some of the best therapy I’ve ever received. If you’re at all like me, maybe it will help you too. I am happier, as are the people I love and who love me, in large part because of K.C. Davis’ philosophy. (The people I love and who love me are also very empathetic and understanding, which I know is definitely not true for most people unfortunately).
It’s less than $20.
It’s short.
Buy it. If you can’t afford it, I might even be willing to buy it for you / venmo you $20 to get it.
Also available in your library / Libby.
Also available as an audiobook.
why doesn’t Radiohead put out an entire album of songs like pulk/pull revolving doors? they had a really unique and cohesive idm sound going and kinda dropped it to the side
(and (lisp programming) (libre software))
Lots of Insane Stupid Parentheses
What are you using lisp for?
for now, configuring neovim with fennel lisp (it compiles to lua), i just like how it works, specially the s-expressions.
i like coding as a hobby but i still haven’t decided on a favorite lisp dialect
Sounds cool. Was wondering if still use lisp for bigger projects. Last time I was using it was when I was studying psychology. Psychologist still used it for whatever reason back then.
What are you working on? I’d love to learn Lisp, it looks really cool!
i’ve configured neovim with fennel and i made a fennel lisp port of my small neofetch-like program written in C.
for now i’ve only learned fennel since it targets lua but i’d love to learn something like scheme or common lisp.
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