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Interesting new liquid embolic from Boston Scientific Obsidio. Single syringe, no DMSO, radioopaque from tantalum, needs high flow micro, best for low flow or small vessels. I see utility for endoleaks and lower GI bleeds. Opinions on this new option?

30,863 Aufrufe • vor 3 Jahren •via X (Twitter)

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Hello Hugh Thomas , let’s do it one by one, sample by sample, stone by stone. Whenever an artificial stone recipe of mine reaches a certain stage that’s the results are comparable to the natural version I’ll send a cast sample to you (with its mold) to analyze. The first one could be this perfectly chiseled fake limestone cube. As you can see you can’t fit a razor blade between the stone and the cheap silicone mold from Temu. This proves my micro chiseling skills. The recipe is public, you don’t even need my cube, you could create your own - but you won’t. So I’ll send this cute cube to you. The “secret” recipe is: I started from wood ash lye, also called potash, or K2CO3, by slowly dripping water through hard wood ash. Hard wood ash from your fireplace, yeah. Then I added slaked lime, and the chemical reaction produced fine, molecular level CaCO3 particles, fine limestone floating in the liquid. FYI: the secret chemical reaction is, and was in the ancient times as well: K2CO3 + Ca(OH)2 = CaCO3 + 2KOH Yummy! Next step: I let the limestone particles settle, and poured the KOH, potassium hydroxide solution above (that also formed in the liquid, see above) into the kitchen sink as it is a very good drain cleaner indeed. I added water and poured it into the sink several times, trying to clean the slurry from the KOH. So yes, the cube is from almost pure limestone, CaCO3 - with some residual KOH contamination. The KOH contamination can be reduced infinitely, I just stopped after 4 rounds. (Pro tip: put the slurry into a filter bag and put the bag into a mountain creek for an hour.) The next step is filtering and pressing the remaining liquid from the slurry. Because it’s a wet mess at this point. Pressure is a key factor to success! At least one thing is accurate from the universal canon: no pressure-no stone. How do I know? By trying and failing a few (dozen) times. So I poured the white limestone slurry into a sock 🧦 and pressed and squeezed it by hand - and that was JUST enough pressure for the magic to happen 😮 It looks like nature/god is on our side, everything is working as it was designed this way. Then I put the almost dry limestone paste into this Temu mold. Fun fact: it still contains a lot of water which will eventually be pressed out as the crystallization progresses, so we’ll need to get rid of that water through a hole, a nub. But there is no hole 🕳️ on this Temu mold so I poured the excess liquid from the top a few times. Hardening time=drying time=crystallization time : 1 week. The important lesson I learned from this experience is as follows: I tried to understand why this sludge turned into hard stone, because, as we were told, IT IS IMPOSSIBLE, and my understanding is this: wood ash lye does two different magics in parallel for this to happen: 1. It magically contains the right kind of contamination to facilitate calcite crystal formation and 2. The incredibly high pH (remember, 2 molecules of KOH are produced from 1 molecule of K2CO3!) in the liquid boost the calcite formation even more. ———- My only request from you and your colleagues concerning this analysis is full, 100000% transparency. And be honest. I know something you clearly don’t: you have lost this battle already. We need the data fast, not in 4 years or something. Transparency means sharing whatever you find here on X, without scientific drama and pullbacks. We don’t need a 947 pages scientific paper. We need the results, the data only. BTW: I already know what you will find: a “special type of natural limestone” with some minimal potassium contamination🤣🤣🤣 Now feel free to DM me, let this scientific analysis happen! And thank you for your offer!

Marcell Fóti 🪨

39,910 Aufrufe • vor 2 Monaten

After my yesterday post regarding merchant need a united consensus price to join in barter. I received some merchant and businesses feed back. They told me what I analysis is a totally true and indeed! Business man who are also pioneers support Pi Network. However they dare not to join in now ( especially with high value products) just because the price hasn't been united yet. Even though a lot of pioneers and merchants support GCV already but there are many malls and merchant price is super low exist. Some price maybe is only $1 or less. I heard a merchant who list his products on xx mall complain. He said he earned more than 2000 Pi but he can't survive now because he ran out of inventory and no FIAT to restock. This is a proof that low consensus cannot help merchant get rid of cash flow problems. Merchant can only resolve this problem when more merchant join in to create inner eco cycle or open mainnet. As I discussed before open mainnet need eco utility mature. But how can eco utility mature when there is no united price and safe price? This is the question all community should think about it? If all merchants want to realize cash flow, there must have Consensus price so it's fair to all merchants! Otherwise it will create speculation on Barter products and it will damage all Eco. Before open mainnet this is the most important thing for pioneers and merchants! Hackathon provide technical resolution. Now it is pioneers community provide business environment resolution! #WhatIDoForPi #PiGCV

Doris Yin 东方紫莲🪷

56,220 Aufrufe • vor 3 Jahren