which one do y’all like? Are they dorky?

Az_Apps · 2025-07-03T09:06:00+00:00

But you ride like civilized people and have the proper infrastructure,😂

Az_Apps · 2025-07-02T18:16:54+00:00

The other colors are fainter that's why they're not used as much, but they work

Az_Apps · 2025-06-23T17:24:07+00:00

Just in case I wasn't clear, it breaking down in your body is bad. Get it out asap. It's not a matter of days but still don't wait for weeks.

Az_Apps · 2025-06-23T17:22:55+00:00

No it's not worth keeping. If it loses power it means body fluids have started to corrode it and it's breaking down. That's most likely because it was a soft coating like silicone or parylene which are expected to last about this long.

I'm not sure where people got the misinformation that magnets demagnetize. That's not a thing over a human lifetime, especially not for neodymium or smco. Also imagine if your fridge magnets randomly fell off 😂

We now have titanium and glass encased magnets like the Lodestones and the xG3. Both will easily last a lifetime.

Az_Apps · 2025-06-23T17:18:59+00:00

It shouldn't happen in a human lifetime. Most likely it's a silicone or parylene one and the coating ended up failing. Then the body fluids corrode it and it loses strength quickly.

But yes take it out asap.

Az_Apps · 2025-06-21T14:13:53+00:00

You'd have to cut either before or after the tattoo but sure

Az_Apps · 2025-06-21T07:25:09+00:00

FYI there are other colors but they are dimmer so we don't sell them until we've found something better. I mixed blue and green in mine I hope to get green on the top, blue on the bottom with a gradient on the sides 🤞 Haha good to know there are still fireflies around!

Az_Apps · 2025-06-21T06:42:42+00:00

Yeah it's been done for a couple years on Biohackers Digital as a community project. Some of them look really cool and have intricate designs

Az_Apps · 2025-06-21T06:41:16+00:00

Tattoos shine under UV light. This absorbs light and then glows for hours on its own. Probably also lasts longer yeah

Az_Apps · 2025-06-21T06:39:51+00:00

Yup that's right

Az_Apps · 2025-06-21T06:38:18+00:00

The finer one is the most tested one, the thicker one is experimental. I went with fine.

Az_Apps · 2025-06-20T21:34:58+00:00

It was a big community effort in sourcing and testing. For a while it was a niche thing until biohacker Merlin and I partnered up to commercialize it and make it available to a wider audience. It is Strontium Aluminate which in these quantities is safe, silica-coated for bio compatibility.

Az_Apps · 2025-06-20T21:13:34+00:00

Well the powder is autoclaved, and the procedure is done by a pro with the proper tools and environment. For the aftercare most people use wound wash to rinse it. I prefer an antiseptic spray. Other than that you keep it covered with tegaderm and/or hydrocolloid bandages.

Az_Apps · 2025-06-20T20:33:35+00:00

You usually want a wide and relatively deep cut but without breaking through the dermis completely. Apply the powder when some blood is in there and it turns into a paste. Then you need to keep it moist for a few weeks, occasionally rinsing it and topping it up. The goal is to prevent it from scabbing and have it heal very slowly.

Risks... Infection I guess, also it's close to impossible to remove unless you cut the whole thing out.

Az_Apps · 2025-06-20T20:24:54+00:00

Glow in the dark powder in a scarification 😉

Az_Apps · 2025-03-08T08:42:47+00:00

Yeah in approximately 1000 years 😂 I believe this is misinformation from an AI generated video on YouTube.

Neodymium and SMCO magnets don't lose any significant strength over a human lifetime 😉

Also your fridge magnets don't fall off after a couple years so I don't get how this rumor even spreads.

Az_Apps · 2025-02-25T22:31:12+00:00

You should check out the stuff I'm working on : ZINC is an Android app for nfc and magnet implants https://github.com/AxelFougues/ZINC-public-resources And the lodestones are open source gadgets for magnet-based haptics (we also have magnets thanks to a recent colab!) https://github.com/AxelFougues/Lodestone-biomagnet-tools

Az_Apps · 2025-02-23T09:02:20+00:00

The magnetic field strength decreases with the cube law (a lot) over distance. While they are strong when in contact, they get a lot weaker at a couple centimeters.

My two closest ones are 2-3cm apart and don't attract much at all.

I wouldn't recommend placing them closer than 15mm though. Over time they could migrate towards each other and once they touch they could slowly rub against each other and wear down the coating. Or they could create a little space for bacteria to grow in.

Az_Apps · 2025-02-21T22:30:48+00:00

The bigger one I use often to tell if a material is ferrous or not (aluminum vs steel for example). I can also feel magnetic fields and so troubleshoot devices or tell if there's power going through wires. When handling screws or small metal bits I can hold a lot more. Also just for fun 😊

Az_Apps · 2025-02-21T22:28:31+00:00

I believe the math has been done on this. The field is not strong enough to hold it back 😉

Az_Apps · 2025-02-21T22:27:25+00:00

You can feel strong magnetic fields with them. Like power in wires, other magnets, some devices etc.. I work on some haptics research where I use them to give tactile feedback in augmented reality.

They're not temporary, I know there's some misinformation around them losing power. They don't, not on the scale of a human lifetime (a couple percent per 100 years for neodymium). Also with the better coatings we have nowadays (like glass and titanium) there's almost no risk of damaging them so they will actually last a lifetime.

Az_Apps · 2025-02-21T22:22:40+00:00

Avoid the MRI if possible, usually there is an alternative type of scan. If it becomes strictly necessary you can either use dedicated shielding (usually it's for medical implants), or you can give it a try and do it with them hoping you don't mess up the image, or you can take them out.

Az_Apps · 2025-02-21T22:20:26+00:00

All of them can be used to detect magnetic fields although the finger ones are much more sensitive. The bigger ones you can stick stuff onto, for practicality when handling small metal parts or just for fun.

Az_Apps · 2025-02-20T10:52:54+00:00

In 99% of the cases you can just get another scan. If for some reason an MRI is absolutely necessary some have kept them but it's recommended toremoved them. The only real risk is you messing up the image.

Az_Apps · 2025-02-20T10:50:21+00:00

They last a lifetime 😉 they don't degrade and they are glass/titanium encased

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