How do MRIs work? Your protons are magnets. What happens to them in an MRI?

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This is the original video: https://www.youtube.com/watch?v=ClZgYZCUqqc

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u/ImaginaryNourishment 1d ago

Thank you. We should support the actual creator but thanks for OP sharing this still.

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u/OCE_Mythical 1d ago

Thank op for sharing it? Nah fuck that, sharing without a source is just credit stealing.

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u/Dahvido 1d ago

You could argue that you wouldn’t likely have seen it naturally, and would not have found the original source without op credit stealing.

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u/pi_designer 1d ago

Yep, liked and subscribed

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u/TomatoSlow7068 1d ago

I ended up watching the whole thing here on reddit, I will definitely sub to here channel 😊 (I'm in love lol)

These videos are one of the many reasons I'm here in reddit 🧡

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u/nikolapc 1d ago

What a charming girl I subbed.

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u/Orcacub 1d ago

Interesting indeed. My wife had between 200 and 250 MRIs of her head as best I can figure. Some of entire spine and abdomen as well. Long term brain cancer warrior. 23 years, MRI every 2 months for monitoring and many more clustered around surgeries and other treatments. She described the noises including one she called “marching ants” or soldiers. She said she imagined the soldiers were her immune calls marching into battle with the cancer cells. Her mental toughness was strongest have ever seen in a person. She got so comfy in the tube she would fall asleep in it for part of the 45 min procedure. We never really understood how it worked beyond making charged particles in water molecules spin up and watching as they slowed down. Now I have a better idea. Thank you.

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u/CranberryAbject890 1d ago

How is your wife doing currently, if I may ask?

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u/Orcacub 1d ago

Thank you for asking. She is doing better than I am. She passed peacefully in Dec. 2023, surrounded by friends and family. I was holding her little hand in mine and kissing her forehead. She went home to a place with no sorrow, no pain, no tears, bathed in the glory of God. I’m missing her. Every day of the 23 years was a gift. We spent them well.

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u/a_loveable_bunny Interested 1d ago

I'm so sorry for the loss of your wife. It sounds like you had a very blessed life together. May peace be with you 💙

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u/CranberryAbject890 1d ago edited 1d ago

Aw man, now i regret letting my curiosity get the better of me. I don't know what to say exactly, but I wish you and your family well

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u/Orcacub 1d ago

No regrets! Thank you for the well wishes. I’m happy to talk about it and share part of her story. There are long term survivors like her. A few- and more and more every year. That fact can give people hope- which is powerful an precious. Statistics apply to populations not individuals. Use the time you are given - ill or not- in the best way you can. No regrets. Say it out loud. Be well!

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u/Fae_for_a_Day 1d ago

You're awesome.

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u/Taranchulla 1d ago

What a champ. I’m not quite up to 200, but I’ve had a crap ton of MRI’s since 2017. I also fall asleep often. They squeeze you in between pillows in such a way that it makes me comfy.

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u/quickburton 1d ago

My mom has been getting 8-12 per year since 2011, she falls asleep in the 1st 5 minutes, it soothes her tinnitus, her malignant brain tumor isn't growing anymore, and the cancer in her stomach and lungs is shrinking. The infusion meds are tearing her up tho. She's still in great spirits. God is good all the time🙏🏾

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u/Taranchulla 1d ago

That’s great to hear that she’s improving. I know the meds are rough, my best friend is fighting cancer too.

I have a so far inoperable brain tumor, but most likely benign. I had 3 failed surgeries to have it removed. It’s so tiny they can’t get it without further damaging surrounding. Despite its minuscule size, it caused complete havoc with my endocrine system and caused a disease called Cushings. I had to have my adrenal glands removed to stop the disease. Unfortunately it left behind some damage. So now, my thyroid, kidneys, heart and brain need to be monitored closely. I have several MRI’s, CT scans and ultrasounds a year.

Damn lucky to be alive though so I don’t complain.

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u/Orcacub 1d ago

You are in a tough fight! Hormonal issues are hard to stay on top of. Our brains do so much internal balancing and regulating of our body chemistry- behind the scenes- when they work right. Inability to real-time monitor salt balance and hormone levels in our blood is a big problem. Wish we could do it like we can do blood sugar with a home test/finger prick or even a remote reporter/monitor. Maybe soon we will have this ability. Keep on keeping on, and be well.

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u/Taranchulla 1d ago

I get labs every week. I’ve been hospitalized with hypo and hyperkalemia many times and so my blood potassium needs to be closely monitored. It’s a damn shame you can’t test that at home. For the most part though the worst of it is behind me.

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u/Orcacub 1d ago

So glad to hear that tumor growth has been stopped. That’s huge.

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u/Redderz27 1d ago

As a healthcare professional, who works in Oncology and diagnostic care, working daily on Magnetic resonance imaging, conducting my thesis for my masters on MRI, I can give a greater summary than the video linked. MRI scanners work solely, and only on magic, it's fucking magic ok. Myth debunked, you've got us, we don't know how it works, it's magic, we tell ya it's protons and hydrogen or some bull, but it's clearly magic. Thank you.

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u/denfaina__ 1d ago

As someone with a PhD in Physics, I agree.

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u/Video-Comfortable 1d ago

As someone with a phd in MRI mechanics, I agree.

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u/111dallas111 1d ago

As a mechanical engineer, magic

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u/Wunwun__7 1d ago

As a wizard in training, magic

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u/beto_pelotas 1d ago

As a basement dweller, yeah magic.

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u/Excellent-Baseball-5 1d ago

As a man with an extremely magnetic personality, I agree.

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u/remenon 1d ago

As a magician, NOT magic, but sleight of hand

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u/SpecialNeeds963 1d ago

As a completely skeptical asshole, yeah that shits magic.

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u/Jutrakuna 1d ago

As an alien in a form of pure energy, definitely magic.

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u/buckao 1d ago

As a SiC reactor technician, yeah, it's magic

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u/pornborn 1d ago

As a man… with a keen mind for mechanics… I can’t tell you how it works either, so it must be Magic Johnson (and I don’t have one of those either, anymore).

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u/Due-Kangaroo-8374 1d ago

As a man who designs buildings for MRIs down to detailing the RF cage within the walls of the scan room, Magic

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u/Skrillblast 1d ago

As a muggle, magic.

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u/Gnomio1 1d ago

Fucking magnets, how do they work?

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u/OiGuvnuh 1d ago

Hanging with some buddies a little while ago and that song came up. We were kind of dragging on ICP, as one does, when one of the dudes was like, “uh, do any of us actually know how magnets work??” Turns out we really don’t. All college educated and a mostly science-literate group, a couple of us rattled off postulations about electrons pairings and intrinsic spin and relativistic motion of atomic nuclei and quantum electrodynamic interactions of charged particles…but fundamentally we knew nothing. None of us could give a satisfactory explanation for how magnets worked.

In the end, aren’t we all just a bunch of dumb faygo clowns?

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u/Kletronus 1d ago

Each molecule is a tiny magnet, each with their own magnetic fields. Once those tiny magnets are all aligned, so are their magnetic fields.

Now, why are some materials magnetic and some are not? Fuck do i know... i'm just a sound engineer.

Also, how can we hear things and understand what that sound means? Magic. It is the short version of it, it is magic.

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u/nenulenu 1d ago

Sounds like everyone wanted to look intelligent and didn’t remember magnetic theory from school, assuming you had to learn wherever you are.

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u/illusions-far-8721 1d ago

As someone who works in MRI I tell my patients it’s alien technology

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u/pornborn 1d ago

It’s all fun and games until the anal probe.

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u/Antique-Swordfish-14 1d ago

Don’t let people fool you. That’s always their favorite part.

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u/DarkStarF2 1d ago

As an alien abductee with a Phd, I concur

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u/SuperBrentendo64 1d ago

The more I understood about NMR (MRI for molecules to figure out what you made in organic chemistry) the more it seemed like magic.

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u/LrdPhoenixUDIC 1d ago

When she said no one understands quantum spin at the beginning, made me think of Richard Feynman. He had this explanation where he said no one understands quantum mechanics, and likened it to Mayan priests using a complicated calendar system to predict when Venus would appear in the morning or the evening, such that all they were really doing was counting days in an arcane fashion based off observation without any understanding of Venus being a planet orbiting the same star we're orbiting and such.

Here it is, queued up to the right time. Lasts about 10 minutes. The whole video series is worth a watch too: https://www.youtube.com/watch?v=P9nPMFBhzsI&t=1242s

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u/TypingHeathen 1d ago

A*

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u/Apart-Gur-9720 1d ago

∞

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u/Dramatic_Ad2574 1d ago

As someone who has battling those pesky X-men, I agree

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u/Aerolithe_Lion 1d ago

“Where is the patient, the procedure is about to start…. Wait, Are you shooting a YouTube video in the bathroom?”

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u/laseluuu 1d ago

yeah i brought my phone in for a live feed, its in my pocket - are you turning it on yet?

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u/Best-Carrot-5570 1d ago

I can't help but I'm in tears and very very thankful for that explanation. I'm in a MRI twice a year for seven years now to scan, supervise and document the progression of my multiple sclerosis, and understanding procedures, examination, the way, my chemo therapy works and how it does what, severely helps me to get along with this incredibly hideous and demonic disease. It gives this invisible beast a face, a name, a kinda handbook how it works, and seriously, this video helped me soo much, THANK YOU THANK YOU THANK YOU!!!

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u/LordGeni 1d ago

I had just about got my head around how MRI works and the vague concept (witchcraft) of K-space . Then I did a project on new low field portable MRI, which uses O-space, and my brain just screamed "Super-Witches" and shut down.

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u/MarloTheMorningWhale 1d ago

Be happy you didn't opt for the spinal cord stimulator that was prior to being MRI compatible. I have one, because my doctor was so concerned about the chance of a possibility of addiction from opioids, he decided it was better to implant a device that would keep me from ever having an MRI again to try and reduce the pain in my spine.

Skip forward 12 years and that same doctor is now incredibly frustrated that my pain has become impossible to control AND am no longer able to get an MRI...for anything... Ever again.

Good thing I listened to my doctor and got the spinal cord stimulator /s

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u/rohithkumarsp 1d ago

OP RIPPED an entire video with no credit... Wow

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u/FibonacciNeuron 1d ago

Here it is
https://www.youtube.com/watch?v=ClZgYZCUqqc
She deserves like and subscribe

And yea, op is a dick

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u/Ill-Construction-209 1d ago

Its a little harsh, dont you think? Social media can be an incredible tool to virally spread content on various platforms that would otherwise go unnoticed. I dont think op was trying to claim credit, but rather sharing something they just found interesting. While not all reddit viewers found the yourube sourced to like or subscribe, some did, which almost certainly benefitted the creator, beyond what they would receive had OP not posted this. I agree, there should be a link. It could have been an honest mistake.

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u/ISeeGrotesque 1d ago

I find it funny and cute to think about "your protons".

Like, I have these, yes

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u/logosfabula 1d ago

How are you today?

So and so, I feel like my protons are a little rusty today.

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u/zen_and_artof_chaos 1d ago

Need more antioxidants.

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u/SousVideDiaper 1d ago

It truly blows my mind

Our bodies are basically made up of countless tiny wads of energy, and somehow that results in a conscious individual form

Not only that, but the elements those wads of energy make up were once inside STARS

Reality just gets more baffling the more we try to understand it

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u/FeSparky 1d ago

It’s pretty amazing stuff.

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u/pornborn 1d ago

This woman has the MRI done to check on the status of her endometriosis condition. Endometriosis mainly affects women (my late wife was diagnosed with it which is how I learned about it). It is a condition where tissue similar to the lining of the uterus (endometrium) grows outside the uterus, often on the ovaries, fallopian tubes, or pelvic walls. As she stated, it can glue organs together and stick to pretty much anything inside the abdomen.

(From the Mayo Clinic)

With endometriosis, deposits of tissue that act just like the tissue lining the uterus develop outside the uterus. This tissue thickens, breaks down, and bleeds with each period. But the blood has no way to leave the body and becomes trapped.

Painful periods can happen with endometriosis. There may be heavy bleeding or pain during sex or when having a bowel movement or urinating. Having trouble getting pregnant is also common with endometriosis.

Pain medication and hormone therapy may ease symptoms. Minor surgery to remove endometriosis deposits can help with fertility problems. It can also help in cases of severe pain.

When my wife went through menopause, her pain from it diminished greatly.

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u/Emotional-Move-1833 1d ago

I do research with MRI hardware and loved her explanation. To know the location of a particular signal and map it onto a 2D image without any physical moving parts and just using a bunch of antennas, it's a whole other ball game.

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u/Glum-Place-5087 1d ago

I had an MRI done last week. And while sitting in it, and sort of understanding how it all works as it's spinning around my body, I was just left with wondering how in the hell did any human being even come up with this technology and idea to put all those thousands upon thousands of parts together to make that machine? Like how in the hell did someone or even a team of people come up with the idea of making an MRI machine? Its mind blowing. If you showed an MRI machine to someone in the 1920s, they would have thought you were an alien and had magic powers. Crazy to wonder what technology we will have in another 100 years.

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u/1bananatoomany 1d ago

MRIs don’t spin but CTs do. Funny enough MRIs are much louder than CTs. You’d think it would be the opposite given the spinning but not so.

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u/ahlfaetyurfuhret 1d ago

So we are just ignoring the fact they just tossed a chair at the super expensive magic machine

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u/Tedfromwalmart 1d ago

Did you just... post her entire video?

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u/Imbackoverandover 1d ago

Hey! Lady! That ended too soon. What about the sensors that pick up the spin? How is it spatially mapped? Come back, we're not done with you.

P.S. I hope you get better.

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u/MDK1980 1d ago

MRI is the most jarring thing I ever experienced.

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u/ecafsub 1d ago

I usually fall asleep in them.

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u/xxc6h1206xx 1d ago

Same. Beep beep brerrrzaaaap. I’m out.

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u/LoadsDroppin 1d ago

I had a 9pm MRI (facility did them around the clock) and that particular day I had a work function: drinks then dinner. By the time my MRI arrived I’d had a great meal + was a bit tipsy ~ and I slept through the entire thing. Best diagnostic event of my life. lol

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u/heelstoo 1d ago

I fall asleep in MRIs, too. However, whenever it’s one of my head/brain, I get a kind of weird MRI hangover.

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u/skynetempire 1d ago edited 1d ago

Its relaxing, just dont like that it causes me twitching. like my eye lids or legs moving

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u/MDK1980 1d ago

That noise though?! Last one I had was in a different hospital, and they offered me music, which helped, but only a little.

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u/skynetempire 1d ago

sounds like a techno music lol

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u/words_of_j 1d ago

It definitely sounds alien to this world.

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u/FuzzyPiickle 1d ago

how so? I'm very curious!

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u/MDK1980 1d ago

You're in a very tight area with a noise so loud it's almost impossible to think. She mentions "pew, pew, pew" but it's more like "brrrrRRRRRRR-KAH-KAH-KAH-KAH!". Was the longest 10 minutes of my life.

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u/LordGeni 1d ago

It's both, the different sounds depend on what part of the scan is happening.

I'd describe it as a mix of a bunch of bricks in a washing machine, the electronic juddering of an old dot matrix printer, a Sci-fi laser (less "Pew pew" more a big spaceship laser that fires for longer until something goes "Boom").

For a mind-blowingly impressive piece of technology, it really does sound like like it's broken and someone has tried to cover it up with cobbled together "Sciency sounds", except they couldn't work out how to get them to play at the same time, so just play them after and hope you forget about the broken bit.

I also find them relaxing, but can never quite get to sleep, because the sounds tease a regular rhythm but never actually fall into one, so my brain can't properly switch off.

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u/Pd1ds69 1d ago

Lol my mom is very claustrophobic and describes the experience similar to you.

I've been in the exact same MRI machine she was in and would describe it as the complete opposite lol the noise it made seemed like a deep steady rumble, and the enclosed tube kinda made me feel tired, not panicked lol I've always been quick to fall asleep to a steady noise tho like an engine or a fan.

The thing that caught me by surprise was how much the machine vibrated. It was actually giving me an erection and I was panicked that it would show up in the MRI and ruin the results somehow haha this was almost 20 years ago at this point now tho and I was a teenager lol pretty funny thinking back how some people are panicking cause they can't breath or are overwhelmed, and there I was, panicked about a boner hahah

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u/Theghost5678 1d ago

The girl explains it really well, but I’m kind of scared to get an MRI, not because of claustrophobia, but because I’m afraid they’ll find something

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u/Koolmidx 1d ago

You have a skeleton inside you

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u/twisted34 1d ago

Big, if true

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u/LordGeni 1d ago

Radiographer here. Can confirm. Those spooky bastards are everywhere.

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u/logosfabula 1d ago

Is it the evil side of me, my Skeletor?

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u/garifunu 1d ago

An ounce of prevention is worth a pound of cure, you will be in a lot more pain too if you ignore stuff

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u/netherlandsftw 1d ago

Translation for the rest of the world:

35.3 grams of prevention is worth 453.6 grams of cure.

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u/Balbright 1d ago

I got an mri to find out if I have claustrophobia

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u/Invested_Glory 1d ago

Well…they find it??

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u/Chupathingamajob 1d ago

Nah but they found a super unhappy skeleton inside him

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u/VapidActualization 1d ago

I was afraid I had cirrhosis and so avoided the doctor. Not because I was unwilling to stop drinking, just afraid for them to give me the bad news. So I threw up and shit blood for 6 months until when I finally went in, I was on the brink of death.

It's scary to wonder if something is wrong but from the experience of coming within an inch of my death from being afraid of having them "find something", you really owe it to yourself and loved ones to not let that stop you if you ever have any symptoms.

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u/Suzilu 1d ago

But that “thing” is there (or not there) whether it is found or not. If a scan could tell you if a stranger was in your house (and where) would you skip the scan, because you’d rather not know?

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u/airconditionersound 1d ago

They almost always find something. The good news is it's usually something harmless or almost harmless and easily treatable.

You'll learn cool stuff like "You have a tiny cyst on your pancreas" or "You have a minor bone abnormality found in 40% of the population."

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u/aop4 1d ago edited 1d ago

What she's describing is actually not MRI but NMR, nuclear magnetic resonance. That's the physics bases for nuclear magnetic resonance imaging ([n]MRI) but this video is missing the real magic which is manipulating the magnetic field (in MRI there's strong gradient fields, those cause the noise of the imaging. The producing of the radio frequency signal is not very noisy.) to select slices and to turn the spins around to create echos.

The real magic in Fourier MRI imaging is the fact that the signals you get out of an echo signal are exactly the Fourier transform of the different (Larmor) frequencies that the protons emit. Because of that, when you take an inverse 2D Fourier transform you get the image. That is pure mathematical madness and the real magic of MRI.

Source: As my engineering master's thesis I hand built and programmed a low-field MRI device.

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u/ScientiaProtestas 1d ago

An MRI is NMR. The name was changed because of the Cold War and negative feelings about the word "nuclear". The effect used is named nuclear magnetic resonance. An MRI used to be called NMR imaging.

Her video, while simplified, is basically correct.

Today, MRI's are usual in the medical field. While a NMR is used in science, like to identify chemicals and purity. So they have branched off, but the physical phenomenon itself is NMR.

(To keep this simple, I haven't gone into depth on the modern difference.)

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u/Wapiti406 1d ago

I am really grateful for people who are able to explain cool stuff like this in a way that people like me can understand.

As a side note: endometriosis must really suck. I feel bad for her and I'm glad she got some useful information.

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u/Kletronus 1d ago

MRI recodes your protons to become receiver/transmitters. They are coded to get messages via 5G. That is how the crab people will control us all.

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u/Timmy_germany 1d ago

Crazy interesting.....

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u/RocketCello 1d ago

It was originally developed for physics research, to measure the properties of the nucleus. Then when the same atom in a different compound gave different results, meaning it was near-useless for physics unless only 1 element was analyzed, the chemists got their hands on it as NMR (nuclear magnetic resonance) spectroscopy, where different groups/atoms in a compound affected the return signal, resulting in compounds being able to be identified pretty quickly. Then, doctors realized the same methods that were used in proton NMR (analysis of the spin of hydrogen atoms in compounds) could show areas of water, fat and protein concentration in the body, incredibly useful to diagnose.

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u/thegentlenub 1d ago

Damn thats interesting

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u/killedbill88 1d ago edited 1d ago

I got confused in the end.

So the picture the MRI takes is based on the differences in relaxation time of spinning protons in different parts of the body, after applying a jolt when they're aligned...

... but the protons aren't actually spinning?

So somebody just thought - you know, these protons aren't spinning, but act like they do, so let's try to measure the spinning relaxation time anyway?

I can't even comprehend how smart the people that make these observations and come up with these realizations are...

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u/Tepid_Sleeper 1d ago

Protons are always “spinning” (it’s actually the sub particles that make up a proton that are in orbit which creates the spin). In their relaxed state (in this instance, outside of an MRI) they spin in the lowest energy direction. When a strong magnetic field is introduced it shifts the orbit direction of the spin to a higher energy state.

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u/multi_io 1d ago

If MRIs were invented today, RFK Jr would go crazy about it. Just imagine your protons getting sloshed around inside you by a huge magnet, that must cause autism for sure

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u/BobDoleDobBole 1d ago

Bad title, good video

Protons aren't the magnets, the MRI IS THE MAGNET. Protons are electrostatically charged particles, and charged particles are affected by magnetic fields. The strong magnetic field changes the "spin" of hydrogen nuclei, which only has 1 proton. In biology, we kinda just refer to Hydrogen as "proton" since the atom only has 1 electron and 1 proton in it's "neutral" un-bonded state.

So, the strong magnetic field generated by the MRI causes your hydrogen nuclei (and other atomic nuclei) to align with the magnetic field in the same direction. Radio pulses disrupt this alignment, and the sensors of the MRI detect the perturbed "spin flip", and the difference between those two signals is what's used to generate visual representation of your tissues.

There is a scenario (theoretically) where protons that are FLOWING through a circuit generate current (amps), and an inversely proportional, "right-handed" spin magnetic field is generated due to the universe's rule about electromagnetism. However, this does not make the protons magnets. It literally makes them the opposite of a magnet.

TLDR; Your protons are NOT magnets, they are electroSTATICally charged particles.

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u/NoMango5778 1d ago

Incorrect understanding of proton spin, hydrogen atoms are not affected by magnetic field because they are charged, but because they have a fractional spin quantum number and thus have a magnetic dipole resulting in them orienting in the direction of a field. (Additionally hydrogen atoms are called protons because the most common hydrogen isotope has no neutrons ~99% abundance)

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u/vincenzodelavegas 1d ago

Five year of physics and I’m still MIND BLOWN by the physics behind the MRI.

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u/Then_Version9768 1d ago

I'm a history teaching guy, but I have to say this was really really interesting. Sorry about your endometriosis, but you are one heck of a good teacher.

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u/Ambitious-Pirate-505 1d ago

Science bitches!!!

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u/heavy_dude_heavy 1d ago

very interesting, they had a pleasant voice and a nice cadence as well.

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u/dinution 1d ago edited 3h ago

very interesting, they had a pleasant voice and a nice cadence as well.

Mithuna Yoganathan is awesome! I love her YouTube channel, I can't recommend it too much: https://youtube.com/@lookingglassuniverse

^{edit: typo}

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u/Electronic-Buyer-468 1d ago

She

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u/VaselineHabits 1d ago

... was saying "they" offensive somehow?

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u/Ok-Wolverine1018 1d ago

Man claustrophobia hit differently in there

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u/MDK1980 1d ago

Yeah didn't know I even had it until I was in there.

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u/OffaShortPier 1d ago

Basically, big fucking magnet pulses a magnetic field that temporarily disrupts the spins of the protons. As the protons return to normal state they release a radio wave that can be measured by the instrument and analyzed by a computer. Nuclear magnetic resonance used in identifying chemical structures is the exact same principle.

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u/Kavik13 1d ago

That explains my love life 🤔 I am an unpaired Proton

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u/rounding_error 1d ago

If the obesity epidemic gets much worse, we'll be able to use gravitational lensing for medical imaging.

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u/D1sp4tcht 1d ago

I feel like if all my protons oriented the same way, I'd fall through the floor or something.

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u/RhetoricalOrator 1d ago

So, when I was overweight, I had an abdominal MRI. I'm guessing my blood was pretty iron rich because I could feel the pulses. I looked down and could easily see my belly fat "hopping" section by section. It was wild to experience!

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u/Luddite_Literature 1d ago

The sentiment is cool and all but...Are we seriously just posting full length videos now? And not giving credit on top of that

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u/heilhortler420 1d ago

"Fucking Magnets, How do they work?"

the fat one from ICP

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u/TacetAbbadon 1d ago

Yeah there's loads of things that we take advantage of without knowing how they really work. Don't really know how anesthesia works.

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u/Spacecommander5 1d ago

Water of time, she doesn’t reveal how to become Magneto.

/s

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u/DharmaDivine 1d ago

You’re the hero for saving me from watching. Thank you!

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u/Intelligent_Hat_5351 1d ago

LOL one does not *simply* walk into a hospital to get an mri. You have to wait about a year or so.

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u/mundodiplomat 1d ago

Now I want to see an ugly person to describe it, and it will get no views.

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u/Away_Industry_6892 1d ago

Magnets. How do they work?

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u/Dismal_Ferret_7789 1d ago

Thanks for ruining xmen for me 😆

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u/TrackSuitPope 1d ago

For real! I thought about Magneto too when she was talking about hemoglobin Fe not being magnetic 😂

"Too much iron in your blood"

Edit: although Mystique does inject the guard with a syringe of iron, so maybe it wasn't absorbed and is straight up iron in his blood

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u/ughlump 1d ago

I was thinking about his fight with spiderman when he used the iron in his blood to injure his arm.

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u/Candyland-Nightmare 1d ago

I've had 2 MRI's of my neck, disc degeneration, and one of my right hip. I am quite claustrophobic. The ones of my neck weren't too awful, except I freaked out the tech when after she put the cage thingy around my head, I made sure I could get out of it if necessary. I promisedher I wasn't going to actually do that while in the machine, and that it was more of a peace of mind for my nerves. The one of my hip, I had tears leaking from my eyes by the time it was over. I'm going to HAVE to have one of my lumbar spine eventually, disc degeneration again. However my dr is going to have to give me something to take to relax me otherwise I will not be able to handle my whole body inside that thing for that long of a time. Hell I feel my heart rate and my anxiety increase just thinking about it.

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u/Smoky_Dojo 1d ago

Ask for a washcloth or something similar to cover your eyes. I, too, get somewhat claustrophobic in the tube. Something about opening your eyes and not being able to focus on anything or have any sense of depth perception makes it worse for me (plus, I’m a pretty broad-shouldered guy and most of the tubes I’ve been in squeeze my shoulders a bit, making the feeling of being in a cramped space that much worse!). The cloth helps a lot. Also, I’ve never had it, but some doctors will prescribe a mild sedative (Valium maybe?) to help you relax during the procedure.

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u/FeralInstigator 1d ago

Music helps too, they gave me headphones (crappy ones) last time. I am pretty sure your doc can give you something to relax. I personally thought the open MRI machine was worse than the tube.

Good luck, remember to breathe 🧘‍♂️

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u/Candyland-Nightmare 21h ago

Yeah, they give headphones and your choice of radio station. The mistake I made during my hip one was opening my eyes for a split second. I was keeping calm and focusing in my breathing, and idk why but once I did that, my heart rate spike and that's when the tears came. Tiny elevators are even a big no for me. Hell, I can't read about people getting stuck without feeling a physical reaction. Like reading about and looking at pics on the Nutty cave incident. I regret ever doing that cause it put me on the edge of a panic attack. That one and another about an underwater cave incident I should have ignored my curiosity.

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u/sumo_kitty 1d ago

She lost me immediately when she said that the magnetic field in an MRI is the same as what the LHC uses. Not even close. Typical superconducting magnets are 1.5 Tesla and some are 3 Tesla. Research magnets will reach 7 Tesla. The LHC operates at like 12 Tesla.

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u/SomethingAbtU 1d ago

you will spin and excite my protons over my dead body /j

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u/Low-Bad157 1d ago

They’ll give you a sedative they did that for my wife who is extremely claustrophobic. It wore off fast as well 1/2 hour we were on our way. Pre arrange

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u/joeefx 1d ago

Strong force rules!

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u/CleFreSac 1d ago

This was so cool. I have another MRI in a week. Thankfully I am able to go into Zen mode and just “be” during the process.

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u/Connect_Progress7862 1d ago

Aliens!

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u/Cyberhaggis 1d ago

The science of the terrifying magic noise tomb doesn't make it any more bearable

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u/hexiconi 1d ago

So I’m spinning around on this big ball of rock and water, and now I’m thinking it may just be a big proton? Thanks.

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u/chaosizme 1d ago

I thrive on info like this. I want to know what the thing is actually doing to my body not just the results. I have to do an open MRI due to my claustrophobia. Every time I have it done I can feel a "soda bubbles" type feeling in my belly. Maybe the flipping of the protons? Every time I mention it to the person doing the MRI they tell me it's just my anxiety, yet it only happens while in the machine.

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u/heatlesssun 1d ago

Don't have any metal in your clothes! There are certain synthetic blends that have metallic fibers. Of course, most MRI facilities require you wear their medical gowns to avoid the issue.

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u/girlinthegoldenboots 1d ago

Lulumon leggings can’t be worn in an MRI. Just FYI to everyone out there lol

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u/badassanator_ 1d ago

Sounds like you were in a one person rave pew pew !!!

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u/galaxygothgirl 1d ago

This title is Juggalo-coded.

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u/[deleted] 1d ago

is thr a yt video of this?

i cant watch the video at 1x i hv a habit of watching videos at 2x

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u/Lanky-Occasion-7486 1d ago

Ive heard that when you try to detect protons through sound they act differently when compared without...morgan freeman said..but reality could be a Big facade?

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u/Btriquetra0301 1d ago

I’m dumb but I’m gonna speak my mind. Has anyone else seen that quantum photo that went around reddit a while ago? Seeing all those quantum mechanics and watching this makes me think that on a quantum level they each have a force but it’s useless unless they’re “linked” via magnetic influence. I have a bunch more thoughts on it but they ain’t worth sharing.

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u/boywhoflew 1d ago

damn imagine just getting close to an MRI and all your blood just seeps through your skin into the machine

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u/GoodSoulja 1d ago

There is a story I remember hearing of a person wearing a silicone butt plug into their MRI… they soon realized that it wasn’t entirely made of silicone

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u/UberQueefs 1d ago

I remember learning about this when I wanted to become a radiologist at Mount Sinai hospital. They were going nuts I was just interested and they gave me the full breakdown on how it works and I changed majors that same day 😂

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u/SeniorIdiot 1d ago

Video How do MRIs work? Your protons are magnets. What happens to them in an MRI?

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