French cat in the heatwave #catsofmastodon #catstodon

The temperature of my laboratory is approaching the boiling point of diethyl ether (34.6 C)

Anyone have any questions for the flow battery industry players? At the world's biggest flow battery event at the moment! Vanadium, iron, organic systems, system integrators, electrode/membrane/pump manufacturers...

At least someone is benefiting from the race riots in Belfast. Wheelie Good Clean 😅

For those (such as fleeing US researchers) looking to understand the French academic system, a handy diagram: All credit goes to @anne who made it for me when I moved to France for a postdoc a few years ago!

GUI view: all-Fe on the left, in the process of "forming" or whatever we want to call it (getting rid of initial ascorbic acid), on the right Cu/Mn first charge cycle done and starting discharge

#realTimeChem running two cells in parallel, Cu/Mn flooded/static cell and all-iron flow cell with a carbon steel negative current collector and nonconductive felt. Flow cell is all crooked cause I sent the wrong file for the steel collectors to the machine shop […] [Original post on social.coop]

where in north america can we make the open-source hardware/worker cooperative tech hub antithesis of the el segundo defense tech/Lucky Palmer cult hellscape

Note to you: 1. Use an RSS reader to curate your feeds. 2. Start your own blog. 3. Generously share posts and cross link to other independent websites. 4. Read and write often. 5. Comment thoughtfully. 6. Explore liminal and boundary spaces & ideas. 7. Shun AI and break the algorithms […]

well if i wasn't on the list(s) yet I am officially on them now all this for 250 mL of transition metal salt solution in sulfuric acid

Can anyone recommend a left-leaning podcast like https://trashfuture.co.uk that takes the piss out of politicians and tech current events but francophone/for the French political context?

Every summer I repost this article on how to spot drowning. Please read it and pass on. In the last few years I’ve had SIX messages from people who saved a kid’s life after clicking on the link from my feed. slate.com/technology/2...

Oooh that's a concept right up my alley 😅 "solidarity prepping" #osh2026 CADUS Soli-prepping (in German): https://www.cadus.org/blog/kongress-recap-soliprepping-krisen-solidarisch-begegnen/

@windkit spotted at #osh2026 !

RE: https://mastodon.social/@oshwassociation/116148837466236148 https://social.coop/@[email protected]/116148837573978799 I'll be at #ohs2026 in Berlin this weekend giving a talk at 11:00 AM tomorrow, and I'll have a couple of our prototypes in hand!

RE: https://infosec.exchange/@hacks4pancakes/116615609879469024 This but battery research

I went and did it. Made a longer-form video explaining our open-source battery project and diving into the details of the kit and chemistries we're working with! It would really help our project out a lot if you could share this with interested folks. YouTube link (feed the algorithm) […]

Lab Notebook Entry #18 Designed static frames for flooded cells, started first all-Fe test, Zn-I dev kit probably needs to be remade https://dualpower.supply/posts/lab-notebook-18/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry #opensource […]

#RealTimeChem cycling an all-iron flow battery!! First few "cycles" are oxidizing sacrificial excess ascorbic acid added to reduce initial Fe (III) present and minimize ambient oxygen. Charged 2 mAh and discharged until discharge capacity approached 2 mAh as […] [Original post on social.coop]

Lab Notebook Entry #17 Another Zn-I test, started off cycling too aggressively and formed iodine it seems https://dualpower.supply/posts/lab-notebook-17/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry

Do any lab managers/techs/scientists here use nitrogen generators instead of cylinders? How much financial sense did it make? Or was it a safety/quality of life thing? #chemistry #laboratory #academia

prolific troll account to block registered only two days ago, interacting with many accounts I follow https://social.vivaldi.net/@vonKordke

St. Louis Urbanist's held our second ever bench top painting event. Turnout was huge, and we painted 40 bench tops. Next month we will assemble them and deploy them to city bus stops, joining the ~60 existing benches we've put up. Providing safe, comfortable […] [Original post on social.coop]

The thing we actually need to get off github is not for more people to tell people to get off github, its for some of you with the technical expertise and tech company salary to volunteer to do the work to finish forgejo's federation so it's actually possible to compete with the kind of network […]

Anyway, I've made it, have you? #BikeTooter

[US traffic violence rant] In my hometown, in the last week or so, two cyclists have died and one seriously injured after being hit by cars, ages 33, 67, and 86... Two cases are hit-and-runs and two cases were intentional targeting of the cyclist and using the car as a weapon. In the backdrop […]

Okay it is a TEST (pardon the mess) but I can officially do charge/discharge tests on a much larger scale now! Should cover my needs for a while, can allegedly go up to 24 A/30 V/75 W (thought not with this wiring setup, lol). Testing out automated […] [Original post on social.coop]

RE: https://floss.social/@danslerush/116480874311065853 #icanhazpdf @icanhazpdf#icanhazpdfcould someone with journal access pretty please send me the PDF of this paper? Battery hype making the rounds and I want to check out the details... Paper is here […]

Lab Notebook Entry #16 "Finished" the argon Zn-I test, but because it leaked. Made improvements to the dev kit design. https://dualpower.supply/posts/lab-notebook-16/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry

[US state violence/torture] Just watched a documentary on the Attica prison riot made up primarily of interviews with former prisoners. It's free on YouTube here: https://www.youtube.com/watch?v=oG1f7FzgXY8&feature=youtu.be It's super horrific, of course, but […] [Original post on social.coop]

Last random post. In a public park recently that had these motion-activated lamp posts. I guess light pollution and public safety aren't mutually exclusive?

Friggin' Europe, back at it again with the micromobility. Bicycle lockers are a game changer. First time using one. Love not having to take off my lights, bags, pump, and other widgets. #BikeTooter

The charging cable hanging out of the top floor window lol

Lab Notebook Entry #15 10 cycles/2 days into the argon Zn-I test https://dualpower.supply/posts/lab-notebook-15/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry

New current collectors just dropped. Testing out LaserBoost in Spain. Pretty cool you can just upload a .step file from FreeCAD and be auto-quoted for sheet metal manufacturing.

#realtimechem well you can see oxygen reacting with (tri)iodide on the positive reservoir septum where I pulled the tubing out after bubbling argon... It's parafilm time Also normally the positive reservoir is quite yellow/brown so clearly inert gas purging is important

Does anyone have a useful/simple guide or explanation on when to use Links vs. Clones vs. Shape Binders, etc. in #freecad ?

Lab Notebook Entry #14 Designed new reservoirs with Luer Lock fittings, started a Zn-I test under argon (Schlenk technique with welding gas), making progress on battery cycling setup for large-format cell https://dualpower.supply/posts/lab-notebook-14/ #academia #openscience #quarto […]

Got another mastoscold yelling at me for "using the platform to promote" my photos. For the record, I don't generally sell my photos, here or anywhere else. But even if I did, I fail to see why that would be a problem. Preventing artists from making a living is a strange hill to want to die on.

RE: https://chaos.social/@openhardware/116329318821828900 If anyone in Germany wants to team up on an application for this let me know! 🤓 🧪

Lab Notebook Entry #13 Made it to 46 cycles/200 hours, the famed Zn-I "voltaic bulge" appears, blaming it on ambient oxygen. Time to bust out the inert gas 💸 https://dualpower.supply/posts/lab-notebook-13/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry

Lab Notebook Entry #12 30 cycles, 133 hours, and now a UPS! Which has already saved my butt. And easier-to-read plots. https://dualpower.supply/posts/lab-notebook-12/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry

Lab Notebook Entry #11 Cell cycled most of weekend, power cut interrupted cycling. 25 cycles, 110 hours, seems stable. https://dualpower.supply/posts/lab-notebook-11/ #academia #openscience #quarto #batteries #energystorage #energy #science #electrochemistry

I’ll be talking about the very serious helium shortage that is looming (actually, it’s already upon us) and risks crippling semiconductor chip production and diagnostic instruments like MRI scanners, not to mention low temperature science.. It’s maddening because we’ve known that helium is very […]

Managing electrolyte volume imbalance in flow battery testing / Lab Notebook Entry #10 16 cycles and 72 hours, signs of periodic self-balancing of electrolyte volumes https://dualpower.supply/posts/lab-notebook-10/ #academia #openscience #quarto #batteries #energystorage #energy #science […]

Lab Notebook Entry #9 Finally a decent test cell underway (it's not done yet!) Error bars getting smaller, energy efficiency over 70% for our standard zinc-iodide system. https://dualpower.supply/posts/lab-notebook-9/ #academia #openscience #quarto #batteries #energystorage #energy #science […]

woohooo, got to lab and found the cell didn't go kaput overnight, finally a decent test is running (hope I don't jinx it) discharge capacity is increasing through first 5 cycles, cause of ~~weird zinc stuff~~ and the system *hopefully* trending towards a steady-ish state.

I made a sub-5-minute video of myself building a flow battery and starting a test! It's on PeerTube, ofc: https://spectra.video/w/dxjsd8AR2uAvnA6UMnnb8G

Lab Notebook Entry #8 A less crappy experiment but still need to dial in PP print settings https://dualpower.supply/posts/lab-notebook-8/ #academia #openscience #quarto #batteries #energystorage #research #electrochemistry

https://dualpower.supply/posts/lab-notebook-7/ Back to wet lab, a crappy experiment to get the cobwebs off #academia #openscience #quarto #batteries #energystorage #research #electrochemistry