@blitzphd: This has been on my to do list for a while - it turns out, the math behind CT scanners is fairly simple to understand but complicated to implement. #math #radon #ctscan #explained
Do PET scans next. I know they involve antimatter, but not how or where in the process.
2026-08-17 14:54:21
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Ladiesman217 :
We have to ban doctors for xraying it's literally cheating
2026-08-17 14:21:47
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eventproductioninc :
I love how much I didn’t understand, the world is so cool
2026-08-18 04:26:53
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Mark Markguyver Gibb :
🤔So... WHY are CT scans used and not MRI? Why subject patiento that much radiation when MRI's apparently do the same thing with much safer magnetic power?!?🤷♂️
2026-08-17 19:54:22
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sailhatan :
I love surgery being described as "rummaging about" 😂😂😂
2026-08-17 15:22:43
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_buttbutt :
The guy's name was Johann Radon?
2026-08-17 15:11:25
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Fish :
2nd video of yours I've seen, this time I went to scroll your other videos and realized "oh, he's the lava lamp guy" 😂
2026-08-31 19:56:44
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83hx8rb2ox8v :
Medical physicist here - solid explanation! Interestingly, back projection is also how Lauterbur demonstrated MRI in his first Nature paper.
2026-08-17 16:05:14
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Ashley D :
That looks so scary with the cover off
2026-08-19 01:58:58
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AJH🏳️⚧️ :
All maths is useful
2026-08-17 16:03:08
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Krishpy Toasht :
i fell asleep with this video playing for like 9 hours so you're welcome
2026-08-19 13:03:39
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bri_bees :
I new thr guy who wrote the program for the modern cat scan. GE gave him a bronze copy of the patient. the software was ported from FLIR software from fighter planes
2026-08-18 01:20:54
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richard :
for some reason I never realized ct scans used x rays
2026-08-17 22:44:26
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Tómas Vilhelm :
Ct scanners use x rays?
2026-08-18 15:16:29
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Markos Harderos :
They do need to improve their consultations before a CT scan because they can involve a lot of radiation into a person.
2026-08-17 18:26:15
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Cameron :
I have been a CT tech for 10 years. It still baffles me the science behind it. CT and MRI are magic 🪄
2026-08-19 00:11:12
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Deveyes :
Omfg I've always thought that reconstructing the 3d structure from 2d data over a full rotation should be possible, and I've tried to figure out the math a couple of times as a hobby without knowing that it was done ages ago. Research never showed a solution for me, because I was looking in the wrong place: game engine algorithms ahahaha
2026-08-18 04:53:37
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CadburyEgg3733 :
“So all you have to do….” 😂 Easy enough. Thank you for helping me to learn something new.
2026-08-17 19:55:51
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The brood mother :
I loved my advanced diagnostic imaging rotations when I was working in clinic🥰 CT and MRI have revolutionised animal care.
2026-08-17 20:39:33
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nathanielspencer65 :
Doing this math by hand was a struggle back in college😭, it's no wonder they had to wait for computers
2026-08-17 22:31:46
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mcdonald’s cup full of piss :
Radon is one of the most underrated mathematicians. Radon Nikodym, radon measures, radon transform, etc.
2026-08-17 16:49:43
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Jack Dallton :
my dad is at is at Siemens healthineers and has helped developed CTS on a high level
2026-08-17 18:13:51
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pwilson372 :
skipped the part where EMI owned the record label that represented the Beatles and while trying to reduce their tax they invested in other arms of their company. They had an electrical engineer named Hounsfield who was trying to make a cross-sectional x-ray technique, so they put some funds towards his research and wrote it off their tax. little did they know it would result in one of the most important technologies in medical imaging.
2026-08-17 22:11:19
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Jonny :
When i was a kid my first ‘job’ was calculating tissue to air ratios for cancer patients from little dosimeters stuck on them. Long sheets of paper. Unreally primitive before computers.
2026-08-17 15:30:14
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pickle gickle :
the hospitals sometimes really dont like to do CT scans bc of images construction unfortunately. Experienced it with my grandma that had multiple cracks in one of the bones that were invisible in regular xray, got sent home from one ER and almost sent home in another
2026-08-17 15:19:22
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