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@SachaIchbiah

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co founder @getcubeai // prev @polytechnique , physics PhD // John 15:13

Paris
Joined August 2021
Don't wanna be here? Send us removal request.
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@SachaIchbiah
sacha
2 months
time to lock in
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@SachaIchbiah
sacha
11 months
Measuring 3D forces in early embryos at scale is now possible! Thrilled to share that my PhD paper has been published in @naturemethods . Huge congrats and thanks to my coauthors @RDumollard , @Alex_Mc_Dougall , @HerveTurlier for their incredible contributions!
@virtual_embryo
Turlier lab
11 months
Our approach to infer forces from 3D fluorescence microscopy is published in Nature Methods ! Congrats to all authors @SachaIchbiah @RDumollard @Alex_Mc_Dougall @HerveTurlier Simply type pip install foambryo to try And stay tuned... @CirbCdf @CNRSbiologie
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@SachaIchbiah
sacha
1 year
Wow, we didn't expect so many reactions! As a result, @virtual_embryo and I have decided to start developing a @napari_imaging plugin to provide meshing and force inference for everyone! (Here, with C.elegans data from )
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@virtual_embryo
Turlier lab
2 years
Can we predict cellular forces just from microscopy ? We are happy to release a robust method by @SachaIchbiah to create 3D atlases of relative cell mechanics in embryos or tissues from fluorescent images of cell outlines: A thread (1/n)
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@SachaIchbiah
sacha
2 years
Very happy to introduce this big chunk of my PhD work 🥳
@virtual_embryo
Turlier lab
2 years
Can we predict cellular forces just from microscopy ? We are happy to release a robust method by @SachaIchbiah to create 3D atlases of relative cell mechanics in embryos or tissues from fluorescent images of cell outlines: A thread (1/n)
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@SachaIchbiah
sacha
10 months
During the holiday, I played with two librairies that I love: - Outlines from the team of @dottxtai @remilouf , to do regex-guided text generation using LLMs - MLX, the ML framework optimized for Apple Silicon @awnihannun The result: Guided generation on LLMs running locally on a
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@SachaIchbiah
sacha
10 months
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@SachaIchbiah
sacha
9 months
I never realized that Replit was being built in Replit. Like programming languages that are compiled with a compiler written in their own language, there is a beauty to that. Bootstrapping in action.
@amasad
Amjad Masad
9 months
Replit engineer @PhilMacEachron building Replit in Replit on the moon (in Vision Pro)
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@SachaIchbiah
sacha
1 year
English is definitely the new hot programming language in image analysis🔥
@loicaroyer
Loïc A. Royer 💻🔬⚗️
1 year
🚨 #ChatGPT + @napari_imaging 🚨 Releasing my latest weekend project: Omega, an autonomous LLM agent that writes image processing and analysis code, fixes its mistakes, accesses the napari viewer, makes widgets, & more! @LangChainAI @OpenAI #OmegaAgent
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@SachaIchbiah
sacha
9 months
New Outlines-MLX release ! pip install -U outlinesmlx outlinesmlx is a minimalistic library aimed at adapting the Outlines library for use with the MLX framework.. Both Outlines and MLX are evolving really fast. MLX models are now imported from HuggingFace with mlx-lm.
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@SachaIchbiah
sacha
1 year
Statistical physicists would say that a great way to spot out-of-equilibrium processes is to see if the movie can be reversed in time and still be « plausible ». @martweig lab shows that this physical principle can be used on microscopy images to spot cell divisions 🤩
@martweig
Martin Weigert
1 year
Happy to share our latest paper on self-supervised representation learning for live-cell microscopy with time arrow prediction (TAP). Great work by @bengallusser and @max_stieber !
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@SachaIchbiah
sacha
5 months
. @victor_plce , @louisdebenoist , and I are thrilled to announce our pre-seed round, led by @VentureF_VC with participation from K5 Global, @kimaventures , stemai( @ngranati ), @join_ef and @transposevc , alongside Olivier Pomel (Datadog), Florian Douetteau (Dataiku),
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@SachaIchbiah
sacha
1 year
Thrilled to share our new publication in @CellCellPress where we delve into the modalities of membrane tension propagation in cells. A testament to the incredible collaboration with @OWeinerLab @BustamanteLab @virtual_embryo !
@Henry_de_belly
Henry De Belly
1 year
I am beyond excited that our story where we address the modalities of membrane tension propagation in cells is out @CellCellPress ! This is the fruit of an amazing collaboration with @OWeinerLab @BustamanteLab @virtual_embryo
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@SachaIchbiah
sacha
2 years
Looks like vision is having his unsupervised-learning moment. The paper explains all the little tricks needed to make the magic work, very inspiring !
@AIatMeta
AI at Meta
2 years
Announced by Mark Zuckerberg this morning — today we're releasing DINOv2, the first method for training computer vision models that uses self-supervised learning to achieve results matching or exceeding industry standards. More on this new work ➡️
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@SachaIchbiah
sacha
6 months
Great to see @louisdebenoist pitch @getcubeai at our demo day @join_ef !
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@SachaIchbiah
sacha
5 months
Wait FastAPI was created by just one person? How insanely cracked is that @tiangolo ?
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@SachaIchbiah
sacha
5 months
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@SachaIchbiah
sacha
5 months
The blog post ( @karpathy ) that inspired a thousand PhDs (including mine):
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@SachaIchbiah
sacha
6 months
Writing your PhD Thesis VS Building your startup
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@SachaIchbiah
sacha
6 months
@paulg That’s why tailwind rocks
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@SachaIchbiah
sacha
10 months
In biomedical image analysis, the most effective algorithms still depend on traditional convolutional networks, such as U-Net, as long-range correlations makes Transformers inefficient. It’s exciting to see new architectures like Mamba 🐍 being applied in this field!
@BoWang87
Bo Wang
10 months
🎉 Thrilled to announce the very first 2024 preprint from our lab: U-Mamba 🐍, a novel backbone for universal bio-medical image segmentation! Background: Transformers have not transformed bio-medical images. While Transformers excel in general vision and language tasks, they
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@SachaIchbiah
sacha
5 months
- had a call with a @Replit sales rep - the guy used the word « bloated » 3 times to describe competitors -Ok I’m in
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@SachaIchbiah
sacha
1 year
@fchollet We all use PyTorch lol
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@SachaIchbiah
sacha
5 months
@naderi_yeganeh Bro you just run (picture)
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@SachaIchbiah
sacha
10 months
As @karpathy said to @lexfridman : In AI, we are leaving the era of benchtop science and entering the era of Large Hadron Collider science. A few centuries ago, physicists could conduct small-scale experiments in their labs and make groundbreaking discoveries. Now, it is becoming
@hardmaru
hardmaru
10 months
Google’s Gemini paper has ~1000 authors
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@SachaIchbiah
sacha
5 months
@yacineMTB I am a Vercelcel
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@SachaIchbiah
sacha
11 months
For French folks: My PhD research has been featured in a vulgarisation article highlighted by the CNRS! Enjoy the read!
@CirbCdf
CIRB_CdF
11 months
| #research | #publication | 🗞️📣Cartographier la mécanique d'un embryon d'un seul coup de microscope @virtual_embryo @cirb @cnrs @cdf1530 pour en savoir plus : ▶️
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@SachaIchbiah
sacha
5 months
Build, take feedback, iterate—do people realize this is just gradient descent applied to real life? This classic advice from @paulg / @ycombinator seems obvious, yet so many people fail to do the obvious things. Math describes the fabric of the universe. Its wisdom is
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@SachaIchbiah
sacha
2 years
Awesome ! Things go so fast these days 🤯
@jobragantini
Jordão Bragantini
2 years
We created a fully-featured @napari_imaging plugin for @MetaAI 's incredible Segment Anything Model (SAM). It supports automatic instance segmentation and human feedback from points and bounding boxes. Try it! #segmentanything
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@SachaIchbiah
sacha
1 year
Good moment to thank @RDumollard , for his patience and willingness to push the project forward on ascidians embryos. His feedback as a biologist was crucial for us to understand what insights people could learn from force-inference.
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@SachaIchbiah
sacha
1 year
Don’t forget to delve into the details of our optimal transport-based flow inference algorithm in the supplementary note and on:
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@SachaIchbiah
sacha
2 years
Very happy to have been part of this collaboration with @OWeinerLab and @BustamanteLab . I worked on new methods to infer flows occurring on cell membranes by solving an optimisation problem with optimal transport.
@Henry_de_belly
Henry De Belly
2 years
Really hyped to share this preprint of some of my postdoctoral work with @OWeinerLab @virtual_embryo @BustamanteLab in which we set out to investigate whether membrane tension propagation in cells Here is a summary of our findings 🧵
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@SachaIchbiah
sacha
1 year
@zoink The great alignement
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@SachaIchbiah
sacha
2 years
Great story ! Telescopes’ designs are always very clever and it is nice to see that microscopy can borrow ideas from this field 👌
@voigtvision
Fabian F. Voigt
2 years
From macro- to microcosm: A feature on the 🔭telescope & 🐚scallop- inspired #schmidtobjective #Microscope 🔬objective in @ScienceMagazine @NewsfromScience by @Sara_Reardon ! #Microscopy
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@SachaIchbiah
sacha
5 months
My kids will have a synthesizer and will learn the basics of Fourier analysis and signal processing from that without even realising it
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@yacineMTB
kache
5 months
hearing reports from dads about kids who have 3d printers, that they are learning CAD & out engineering their own fathers. i love the future so much
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@SachaIchbiah
sacha
9 months
When I open a new window instead of a new tab it means things are getting really serious
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@SachaIchbiah
sacha
6 months
@burny_tech We got this guy
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@SachaIchbiah
sacha
6 months
@yacineMTB George Hotz ftw
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@SachaIchbiah
sacha
1 year
@rohanpaul_ai @DrJimFan Nougat is from the same first author
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@SachaIchbiah
sacha
2 years
Good initiative ! It is not all about money however, geographical instability is a big problem imo (compared to industry where you can work wherever your want)
@leslievosshall
Leslie Vosshall PhD
2 years
🧵📢 We need to retain talented postdocs in academic science. I'm happy to say that @HHMINEWS has taken a big step forward this week. $70,000 That's the new starting minimum salary for all postdocs employed in HHMI labs (1/4)
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@SachaIchbiah
sacha
6 months
I am starting to think that we will see the return of universal scientists—people who can leverage AI to quickly and deeply understand various topics and solve all sorts of problems. AI frees us from the burden of overspecialization. Now, we can go both deep AND broad.
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@SachaIchbiah
sacha
6 months
@yacineMTB 100% based
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@SachaIchbiah
sacha
1 year
@francoisfleuret Alphago is not clever it only predicts the next move ! Oh wait…
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@SachaIchbiah
sacha
1 year
@ItaiYanai Wtf it’s more four or five per day 😂
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@SachaIchbiah
sacha
10 months
In Paris, the density of talent, outstanding universities, research labs, and company headquarters is unparalleled in Europe. 🔥🔥 (Paris is so smaaaall!) When building there, one can witness a magical network effect: multiplying unexpected opportunities and serendipitous
@osanseviero
Omar Sanseviero
10 months
The ML ecosystem in France is on fire🔥 It has amazing talent and resources. Here are 10 facts you might not know: 1. There are great research labs - from @MistralAI and @kyutai_labs to large ones from @AIatMeta and @GoogleDeepMind . The Llama 2 and CodeLlama authors are based in
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@SachaIchbiah
sacha
11 months
Awesome picture 🙀
@Fr_BioImaging
France-BioImaging Research Infrastructure
11 months
🥈2nd Place: "Tardigrade embryos protected by mother's molt", Gonzalo QUIROGA-ARTIGAS, CRBM 🔬This image represents a tardigrade molt covering three developing embryos with confocal microscopy.
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@SachaIchbiah
sacha
10 months
Google @GoogleDeepMind is somewhat lagging in the LLM distribution space, but it has other tricks up its sleeve 🧬
@nathanbenaich
Nathan Benaich
10 months
🧬 AI-first bio season looking tasty already! $82.5M upfront + up to $3B (and change) in biobucks for @IsomorphicLabs + @EliLillyandCo and @Novartis
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@SachaIchbiah
sacha
6 months
Every day I thank God for inspiring humans to build such wonders
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@SachaIchbiah
sacha
6 months
Zuck it is all in your hands now
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@tsarnick
Tsarathustra
6 months
Sam Altman says the 10 most powerful AI systems in the world should have the equivalent of weapons inspectors
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@SachaIchbiah
sacha
5 months
Embrace the flow state
@orenmeetsworld
Oren John
5 months
the creative way
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@SachaIchbiah
sacha
5 months
Perhaps the role of researchers is to test new ideas on a small scale in a capital-efficient manner, and let large research labs scale them up if they prove promising
@irinarish
Irina Rish
5 months
It's mind-boggling that many AI researchers are still not quite aware of this Bitter Lesson. Unbelievably hard to overcome this mental attitude of sticking to small models/data and focusing on overly complex models/methods. Especially in academia...
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@SachaIchbiah
sacha
9 months
Glad to see my @OutlinesOSS mlx adapter in the list of cool projects built with MLX ! pip install -U outlinesmlx
@awnihannun
Awni Hannun
9 months
Collected some of the amazing projects people are building with MLX in one place: Looking at that list, it's hard believe MLX is just 2 months old.
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@SachaIchbiah
sacha
2 years
Very nice to see that we can still make progress on this 200,000-year-old grand challenge 😂
@CAS_ReproLab
Cameron A. Schmidt, PhD
2 years
Digging this @ScienceMagazine cover🤙🔥 Excited to dig in to the special section on human reproduction (p148)🤓 #ReproRocks
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@SachaIchbiah
sacha
1 year
@Austen This hammer swing is that of someone who has never done manual work in his entire life
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@SachaIchbiah
sacha
6 months
Plus, you come with all the computer engineering, linear algebra, group theory, functional analysis, and probability knowledge that is fundamental to building intuition about deep learning.
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@SachaIchbiah
sacha
4 months
Science is a method, not a cult
@anpaure
anpaure
4 months
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@SachaIchbiah
sacha
5 months
This is your daily reminder not to be an NPC
@ns123abc
NIK
5 months
Mr. Jobs dropped a massive redpill
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@SachaIchbiah
sacha
1 year
@fchollet I love reading your tweets, but I disagree with you on this one. The word emergence has been borrowed from statistical mechanics, where everybody use it all the time (see the classical P.W.Anderson article « More is different ») . Google Palm illustrates this concept quite well
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@SachaIchbiah
sacha
6 months
@yacineMTB Woaw indeed. Scale invariance magic embedded in the weights themselves, fascinating
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@SachaIchbiah
sacha
5 months
The voice interface is a distraction. GPT4o is really good a coding That’s the only thing that matters
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@SachaIchbiah
sacha
8 months
When the model outputs a Nan in the middle of the training
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@SachaIchbiah
sacha
6 months
I’m always impressed by how technical the CEOs are in the Bay. In France, most of them are managers who know nothing about the tech
@Yampeleg
Yam Peleg
6 months
Zuck knows tons of technical details. I won't be surprised it he is working with the team by himself
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@SachaIchbiah
sacha
5 months
Balaji is right. We love Huberman but we would love him even more if he was good at math. Don’t trust the experts. Don’t trust Huberman. Only trust yourself
@balajis
Balaji
6 months
HUBERMAN > HARVARD MAN François, I disagree and here’s why. ON THE SPECIFICS First, on the specifics — I don’t think one can “correct” someone without posting the correct answer. And the equation for the geometric CDF isn’t some random mumbo jumbo. It’s exactly what you need to
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@SachaIchbiah
sacha
2 years
Latent Space arithmetics tells is a lot about how these things work, mathematically speaking.
@DrJimFan
Jim Fan
2 years
One really cool thing you can do with diffusion models is latent space arithmetic. Remember the famous word2vec example? King - Man + Woman = Queen. You can do the same for image generation! Also works for (baby yoda) - baby + (old man) Demo by @genmoai @ajayj_ .
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@SachaIchbiah
sacha
8 months
AIs can code, and this is great. The thing is, the most accurate way to explain to an AI what you want it to code is… through code itself. This idea was expressed by @stephen_wolfram as early as in 2019: « Why not just use natural language for everything? Just like in the
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@SachaIchbiah
sacha
9 months
I love listening to music in the morning to remind myself that every artist once had the same high-risk, high-reward attitude I have right now. They all have been grinding hard in the shadows for a long time before thriving. Feels energizing.
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@SachaIchbiah
sacha
6 months
@yacineMTB 😂😂
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@SachaIchbiah
sacha
5 months
People are announcing AGI in 2027 but finishing their PhDs in 2028
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@SachaIchbiah
sacha
2 years
Positivity rocks ! There are indeed a lot of nice things in a scientist life 😎
@burtonlab
Burton Lab
2 years
It's nice to see someone highlight all the positive aspects of being an academic scientist!
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@SachaIchbiah
sacha
6 months
Pure legend
@tekbog
terminally onλine εngineer 🇺🇦
6 months
imagine showing up with eight of your best lads and just getting shit done
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@SachaIchbiah
sacha
5 months
This is so cool. We can feel those old-school internet vibes again
@vmfunc
mel
5 months
LADIES AND GENTLEMAN WE GOT IT BACK
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@SachaIchbiah
sacha
9 months
Looks like this team is cooking something great ! 🔥
@remilouf
Rémi 📎
9 months
Please retweet, the worlds needs to know 😊
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@SachaIchbiah
sacha
4 months
LLM + biology is a really interesting field Some people are cooking 🫢
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@SachaIchbiah
sacha
6 months
If beauty is subjective, why do all dashboards look like Stripe’s ?
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@SachaIchbiah
sacha
6 months
Jim Simons' philanthropic organization supports some of the most amazing research in physics and basic science. He was a unique genius, and a true legend. RIP Jim. 🫡
@mprkhrst
Matt
6 months
> independently discover a Zeno's paradox at age 3 > MIT at 17, grad level math in 1st year > graduate in 3 years > drive motor scooters from Boston to Bogotá with the boys > start a company in Colombia > start code breaking with the IDA for money > solve minimal varieties in
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@SachaIchbiah
sacha
5 months
Technology has given us everything we have
@yimingdothan
YiMing
5 months
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@SachaIchbiah
sacha
9 months
There is no negative feedback on LinkedIn. You cannot discuss about science there 😅
@BoWang87
Bo Wang
9 months
I’m genuinely curious about the most popular social media platform among scientists. My personal experience suggests LinkedIn is overtaking Twitter. I’d love to hear broader opinions on this 🙏
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@SachaIchbiah
sacha
7 months
I need this for my company 🙀
@PatrickJBlum
Patrick Blumenthal
7 months
Anduril Japan Recruiting Ad, 2025.
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@SachaIchbiah
sacha
6 months
@FlohOfWoe Not all heroes wear capes
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@SachaIchbiah
sacha
2 years
@MorphoTweet @EntraCod @sentinal4d You can ask for the source code but please don’t ask why our model organism is called Phallusia
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@SachaIchbiah
sacha
2 years
@vectorgen What is the specific reason ?
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@SachaIchbiah
sacha
6 months
You may need to be trained in math and physics to think from first principles.
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@SachaIchbiah
sacha
6 months
@yacineMTB Have you heard of @keenanisalive ? He is doing really cool stuff
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@SachaIchbiah
sacha
1 year
Exciting times ahead !
@ClementDelangue
clem 🤗
1 year
I believe we need open-source alternatives to ChatGPT for more transparency, inclusivity, accountability and distribution of power. Excited to introduce HuggingChat, an open-source early prototype interface, powered by OpenAssistant, a model that was released a few weeks ago.
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@SachaIchbiah
sacha
1 year
@haesleinhuepf @virtual_embryo @napari_imaging Not yet aha this is still work in progress 🙈 We will release it when the paper is published
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@SachaIchbiah
sacha
6 months
@yacineMTB Don’t worry Zuck is gonna win
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@SachaIchbiah
sacha
10 months
The MLX team ships daily ! Their framework is very simple to use (for a proficient PyTorch user) and FAST 😻
@awnihannun
Awni Hannun
10 months
Some great notes on fine tuning Mistral 7B with MLX: “MLX is fast. This took 3:24 hours as opposed to almost 12 hours using llama.cpp” And its going to keep getting faster 🚀
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@SachaIchbiah
sacha
6 months
An unreasonable fraction of the most driven people I know get all their motivation from this guy
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@SachaIchbiah
sacha
9 months
When I first learned CUDA (to implement a custom kernel for performing Fourier transforms on meshes), the documentation was very poor and debugging was a mess. Still, it was a very thrilling feeling to unleash this compute power. Now, with AI-assisted coding and all the
@jeremyphoward
Jeremy Howard
9 months
I used to find writing CUDA code rather terrifying. But then I discovered a couple of tricks that actually make it quite accessible. In this video I introduce CUDA in a way that will be accessible to Python folks, & I even show how to do it all in Colab!
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@SachaIchbiah
sacha
2 years
Very happy to see this out ! Thanks to @Kazu_YAMAMOTO4 @G_Charras @HerveTurlier and all the others involved for giving me the opportunity to do this work !
@G_Charras
Guillaume Charras
2 years
What forces underlie the cell arrangement of early C. elegans? @Kazu_YAMAMOTO4 & @SachaIchbiah dissected the forces shaping C. elegans embryos in a great collaboration between @G_Charras & @virtual_embryo labs: A brief summary (1/4).
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@SachaIchbiah
sacha
6 months
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@SachaIchbiah
sacha
1 year
@aml78i Thanks ! On which data do you plan to do force inference ? We can talk in dm
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@SachaIchbiah
sacha
7 months
@TrentonBricken and @_sholtodouglas explain that the ability to execute without letting themselves get blocked is what sets them appart. This is something I have witnessed during my PhD. A lot of cool ideas are floating around and this is often your ability to execute rapidly to
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@SachaIchbiah
sacha
8 months
Trying to explain to my co-founders why I think Nvidia isn't worth more than Google or Amazon. My two cents as a CUDA, PyTorch, and ML developer: - Nvidia is a great company (let's start with that). - I will probably buy some A100s later this year. - CUDA, their C++-like
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