I did some googling after I spitballed, apparently titanium doesnāt play nicely with electroplating processes
Iāve gone through pvd, cvd, ald, and a few other methods of laying down titanium and titanium nitride, and itās all imperfect for various reasons.
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Sorry to hijack this thread but just had a random thought. Anyone remember the Phantom Eight characters from NCIS who had rfid implants allowing them access to any military facility in the world?
@amal you werenāt co-writer on that show were you? 
itās not worth doing imho at this point because the current core is getting shut downā¦ the new API is basically feature complete at this point, and iām going to be having some talks about building out a new IdP with OIDC and SSO/SAML
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Noted, Iāll put this on hold then. Itās not on the priority list for now , I just wanted to familiarize myself.
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Note OKTA has Acquired Auth-0
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Oh and another random thought, the problem of powering implants. Well what about a kinetic clutch that charges a capacitor? Would work better if placed in arm due to range of motion .
Sorry, I didnt mean to hijack you.
Or a mini capacitor that charges off being read. If the xsiid can harvest energy to an led then surely it can harvest it for storage to a capacitor?
Canāt derail a derailment thread. I think there are issues with implanting capacitors. I canāt give the specifics but Iām sure someone here can.
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Generally speaking itās technically possible but practically impractical ā¦ capacitors lose charge so quickly through internal leakage that itās not really all that viable for most things people want to do with powered implantsā¦ and mechanical components are large and ā¦ mechanical ew haha
Yup it can. What do you want to do with that energy though? The strength of capacitors is that they can charge and discharge very quickly, unlike a chemical battery. Unfortunately their energy density is poor, and they lose voltage very quickly as they discharge, also unlike a chemical battery.
Hereās a breakdown I did for someone who asked this before.
I had a five minute conversation with myself and the only use i could come to is also a permanently on led lol. Im having wild impractical ideas about subdermal gpio boards. Oh well was good to hash it out with like minded people.
maybe an accelerometer that only lets the capacitor discharge with a large force is done, so it looks like youre releasing your charged mega karate chop
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You wouldnāt get much more than a few seconds out of a capacitor. With a 25mm li ion coin cell you can get 24h with a ~15 min charge. Including the wireless charging, battery and led and coating it would be a 27mm * 5mm disc.
If youāre willing to implant a battery that is, which has been done before, successfuly. Failure rate on coin cells is close to 0, itās just that IF it fails then youāre f*d 
If you change every night then the batteryās lifetime is also a factor though.
Im thinking something g3 sized. A ball bearing in the middle a small spring on both sides and a coil of copper around centre.
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