CT Scans of Health Wearables
radeeyate
197 points
42 comments
March 06, 2026
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Discussion Highlights (13 comments)
robmusial
The entire library of scans on this site is great. It gives me a similar feeling as being a kid and playing around in 'The Way Things Work'[0]. [0] https://www.youtube.com/watch?v=G9Nz1y7Sj74
hyperific
Glad they're still doing these. I really enjoyed Scan of the Month and then they just stopped doing new scans after the Moka Pot.
paulwetzel
Really love these scans! I would love to have on of these at home, just to tinker with devices and understand how they work. Then I usually want to check the price, see "Talk to sales" an decide probably not the price range that is good for private use. Nonetheless, great articles and an amazing device.
jcims
mikeselectricstuff on YouTube did a teardown on the Omnipod wearable pump a while back, very cool mechanism. https://www.youtube.com/watch?v=e2MQUUkubgs Insulin is incredibly potent and can easily result in life-altering if not fatal consequences at relatively low ratios of the therapeutic dose, so these things need to be dialed in and extremely reliable.
petermcneeley
I dont want CT scans of wearables. I want wearables that can do CT scans.
MrBuddyCasino
Is it just me or did the tonality in this one change towards an infomercial?
skyberrys
The custom Lipo battery with thermal effects and weight considered is really beautiful to see. I've been curious about custom Lipo battery shapes for rings because my fingers get cold when I wear rings. Would a battery heating up just a bit help make that comfortable for me?
nerdsniper
I know people from Lumafield read these comments occasionally, and I'm grateful for all of this! Why is the Omnipod available[0] to explore in Voyager, but the Dexcom is not? I'd like to send links to both for my diabetic girlfriend to enjoy, who uses those two particular devices. 0: https://voyager.lumafield.com/project/16d13f1d-58f5-4572-b2a...
perdomon
still not into scroll-jacking, but these breakdowns were well-written and documented.
tlb
Great images, OK writeup. There are some bits of bullshit, like "The proximity of microphones to processing hardware minimizes latency". No, the speed of electrical signal propagation (around 2/3 the speed of light) is not significant for microphone placement.
sllabres
It's always interesting to see how are things build in the Lumafields "Scan of the month". The the most interesting scan from Lumafield I saw was not a Scan of the month, but in "Adam Savage’s Tested: Surprising Flaws in 18650 Lithium-Ion Batteries" [1] [1] https://www.youtube.com/watch?v=-Y23nfAOiXQ PS: Nice company logo btw. ;)
pants2
San Diego is really a hub for health wearables! Tijuana to an extent too. Oura - based in SD. Dexcomm - based in SD. Omnipod/Insulet - major R&D hub in SD & TJ.
secabeen
It's sad to see such waste with the Dexcom. A sizeable, single-use coin cell with a total useful life of 15 days, after which the entire unit is discarded.