Brandon Sorbom

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Brandon Sorbom

Brandon Sorbom

@BrandonSorbom

Chief Science Officer at @CFS_Energy

Katılım Şubat 2024
31 Takip Edilen199 Takipçiler
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The Neuron
The Neuron@theneurondaily·
AI data centers could double power demand by 2030. So where does the energy come from? 🤔⚡ @BrandonSorbom, Co-founder and Chief Science Officer of @CFS_energy, explains how his team is racing to build the world’s first commercial fusion power plant. 📺 YouTube: link.theneurondaily.com/r/BuaPJ5 🎧 Spotify: link.theneurondaily.com/r/v9J8yy 🎙️ Apple Podcast: link.theneurondaily.com/r/v9xBPm #AINews #FusionEnergy #AIInfrastructure #TheNeuron #TechPodcast
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
Last week I had the opportunity to jump into Reddit’s r/fusion community for @CFS_energy’s first AMA to talk about all things fusion, our progress on SPARC, and the road to commercializing our ARC power plants. It was a lot of fun being able to engage directly with the community, and the questions were fantastic! We dove deep into everything — including how we collaborate with our partners, how we're tackling hard fusion problems, and how we expect to use AI for fusion energy. Check out the full AMA thread! Here’s the link: reddit.com/r/fusion/comme…
Commonwealth Fusion Systems@CFS_energy

What does the path to commercial fusion energy actually look like? ⚡️ CFS Chief Science Officer and Co-founder, @BrandonSorbom, recently spent time with the r/fusion community as part of an AMA to answer exactly that. Here we've rounded up some of our favorite insights on ARC, AI, and more below👇. 1/7 #FutureOfEnergy #Energy

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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
Thanks to everyone who tuned in for my AMA (ask me anything) on Reddit! There were so many great questions and I had a great time. I wish I could have spent all day, and sorry for any questions I missed, but I feel like we got through a lot of good material — people were curious about tritium, magnets, our supply chain, how AI could fit into what we are doing, and a lot more. A couple things I'd like to flag — you'll see in the answers that I dropped in a lot of references to peer-reviewed research that we/our partners have published. That's no accident. It's the gold standard for sharing validated, trustworthy information, and it can help people understand our science, our technology, and our approach. Fusion is such a complex, nuanced topic that it’s important to distill things to a high level, but it’s equally important to provide the foundations for those distillations. Finally, I'd like to give a shout-out to the team of subject matter experts here who volunteered to sit shotgun with me and help pull up the most relevant facts and references when people asked deep questions, so that we could get through as much material as possible. This was a lot of fun and I hope we get the chance to do something like this again in the future! reddit.com/r/fusion/comme… #FusionEnergy #Energy
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
If you’re curious about fusion or CFS, I’ll be fielding questions during an AMA — ask me anything — at Reddit’s r/fusion forum. It’ll happen on Thursday, Feb. 26, from 12:30 p.m. to 2:30 p.m. ET. This is a first for CFS, but not for CFS founders: Before we launched the company, we held a couple AMAs about the fate of Alcator C-Mod, the MIT fusion machine that’s the predecessor of the SPARC tokamak we’re building now in Massachusetts. A little about me: I believe that commercial fusion power can be critical to addressing climate change and has massive potential to become an ideal power source to keep up with rising energy demand. I first fell in love with fusion as a college student, building a Farnsworth fusor. Then, while working on my PhD at @MIT, I was the lead author of the paper that proposed the original design for the ARC power plant that inspired the founding of CFS in 2018. Now I lead the R&D teams at CFS. I’m always excited to talk about fusion and discuss what we’re up to at CFS. So make sure to join me on Feb. 26 to get your CFS and fusion energy questions answered! You can submit your questions in advance, comment, and vote on questions others have asked. Check the thread out here: reddit.com/r/fusion/comme…
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Commonwealth Fusion Systems
Commonwealth Fusion Systems@CFS_energy·
Big update: Half of our vacuum vessel, the very heart of our SPARC fusion machine, has landed in Devens, Massachusetts. The vacuum vessel is the donut-shaped chamber inside SPARC that'll house our fusion fuel — a superhot cloud of charged particles called a plasma. The delivery of this key component means that our energy plans are literally starting to take shape. And it shows a big change inside tokamak hall as the once-quiet room begins to bustle with activity. #PowerMoves #FusionEnergy
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Commonwealth Fusion Systems
Commonwealth Fusion Systems@CFS_energy·
Why work on our ARC fusion power plant when we haven't yet switched on our SPARC demonstration machine? It's a fair question. And here's our answer: at CFS, we've deliberately charted a path to fusion energy that lets us work in parallel on multiple projects. Our new $863 million in Series B2 funding enables us not just to finish SPARC but also to concentrate more attention on ARC. The point of the exercise: spread fusion energy as widely as possible as fast as possible, because we believe humanity will benefit. Now we're laying out a lot of the detail behind this approach. 🧵1/2 #FusionEnergy #PowerMoves
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
With @Google’s offtake agreement for 200 megawatts of power from our first fusion power plant, ARC, they increase their stake in CFS and help to fund our ARC development work. Making fusion energy happen begins with technical work like science and engineering. But as we make progress there, we’ve also started working on bringing fusion power to market. We work in parallel as much as practical, to get fusion energy out into the world as fast as possible. You can read more about our new partnership here: blog.cfs.energy/google-deal-he… #FusionEnergy #PowerMoves
TechCrunch@TechCrunch

Google inks its first fusion power deal with Commonwealth Fusion Systems | TechCrunch techcrunch.com/2025/06/30/goo…

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Commonwealth Fusion Systems
Commonwealth Fusion Systems@CFS_energy·
CFS Chief Science Officer and Co-founder @BrandonSorbom offers a ground-level view of how we'll assemble the SPARC fusion machine inside Tokamak Hall. In the third video of this three-part series, Brandon shares a surprising detail on the cranes we use to handle SPARC's large components. Stay tuned for more episodes to come from around the CFS campus. #FusionEnergy #Science
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Commonwealth Fusion Systems
Commonwealth Fusion Systems@CFS_energy·
CFS Chief Science Officer and Co-founder Brandon Sorbom offers a ground-level view of how we'll assemble the SPARC fusion machine inside Tokamak Hall. SPARC's cryostat base now is in place, and toroidal field (TF) magnets and a vacuum vessel are coming next. Catch the second of a three-part series based in Tokamak Hall with more to come from around the CFS campus. #FusionEnergy
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
High-temperature superconductors (HTS) are the foundation of our fusion energy work here at @CFS_energy. Part of my job for years has been to work with our suppliers to turn this once incredibly scarce resource into a mass-manufactured product we could purchase by the kilometers instead of meters. Seeing Faraday Factory Japan pop the last few reels into a box is super exciting and a phenomenal achievement! Thank you Faraday Factory for being such great partners and helping us turn SPARC into a reality! linkedin.com/posts/faraday-…
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
CFS recently played host to 60 fusion energy experts to discuss a seemingly secondary, but actually critical detail: how to support not just the hottest parts of the SPARC fusion machine but the cooler regions, too. When SPARC is running it’ll have the largest temperature gradient in the solar system, jumping from about 100 million degrees Celsius at the center of the plasma to -250 Celsius at the superconducting magnets. The steepest part of this gradient — specifically where the outer edge of the superhot plasma meets the walls of the machine in a component called the divertor — presents a challenge. How do you manage both the hot plasma core and the cooler plasma at the boundary with the tokamak hardware, so that both can work as intended? CFS hosted a workshop to gather the range of people needed to tackle this multifaceted challenge — a group of experts who put their heads together, shared research, and set new plans to move the technology forward. Read more: blog.cfs.energy/cfs-conference… #FusionEnergy
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
Those of us in the fusion energy industry know very well what's going on. But plenty of people don't know just how far we've come and how fast we're moving. Thanks to @CNN's Ella Nilsen for helping to show the world our progress making magnets in our factory, and now assembling our SPARC fusion machine!
Commonwealth Fusion Systems@CFS_energy

"'It's like a race with the planet...[Our magnet factory] is a 24/7 factory,' he said. 'We’re acutely aware of it every minute of every hour of every day.'" @BrandonSorbom, Co-founder and Chief science officer at CFS, recently spoke with Ella Nilsen of @CNN about the world-changing benefits of fusion energy, the progress we're making in building our fusion machine, SPARC, and the race to deliver fusion energy in time to both help the planet and enable new power-hungry technologies like artificial intelligence. CFS chose the tokamak design because its science is the best understood and most studied of all fusion machine designs. Paired with our groundbreaking magnet technology, we believe that it's not only the surest path to commercial fusion on a timeline that matters, but the most efficient one. “[The SPARC machine] is now small enough that we have standard equipment to move things around – something that you’d find in any auto manufacturing facility. You don’t have to invent a totally new industrial supply chain for everything.” Read the full story: cnn.com/2025/05/06/cli… #FusionEnergy

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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
It’s go-time for SPARC! 💫 We’ve officially kicked off construction with the first major piece: the 75-ton cryostat base. It supports the entire machine, maintains ultra-cold temps for our magnet technology, absorbs fusion neutrons, & routes key systems. More #PowerMoves ahead! #FusionEnergy #CleanPower
Commonwealth Fusion Systems@CFS_energy

"Everything is about to change in Tokamak Hall." This month, we brought a key component of our prototype fusion machine, SPARC, into its final home inside the SPARC facility in Devens, MA. It's the cryostat base — the foundation of SPARC and a major milestone in its buildout. Along with its job to support SPARC’s mass, the 75-ton base acts as a conduit for fundamental systems like cryogenics and fuel lines that connect to the machine. It's also a vital boundary protecting the magnets inside SPARC from the outside environment so they function at full strength. SPARC’s cryostat is designed to be so well sealed that only a cubic centimeter of gas could leak over 30 years. Learn more and watch the full video on our blog: blog.cfs.energy/cfs-takes-its-… #PowerMoves #SPARC #FusionEnergy

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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
This month, we installed our SPARC tokamak’s first piece: the cryostat base. It’s a 75-ton, 24-foot-wide stainless steel structure that serves as the foundation of the tokamak. It bears the weight of the entire tokamak — roughly 1,000 tons. That’s about the weight of two fully loaded Boeing 747 jets. It’s important for several reasons ⬇️ 2/6
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
It's an interesting possible refinement that only a few devices like TCV and DIII-D have explored previously, and I look forward to seeing data on how the confinement scales in different tokamaks so we can see how well negative triangularity could optimize fusion plasmas. 4/4
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
At @cfs_energy, we chose a tokamak to generate fusion power because it's the best scientifically understood machine. But there’s tons of room to expand what we know, in cases like this. 3/4
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
Happy to see this new research at the University of Seville on negative triangularity in a tokamak. What this means and why it matters in a thread 👇 physicsworld.com/a/smart-spheri… 1/4
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
5/5 SPARC is still our top priority, but to get fusion energy to the grid fast, we’ll also continually increase work on ARC. I’m stoked to ramp up this next phase, so make sure to keep your eyes open for ARC news as that project matures!
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Brandon Sorbom@BrandonSorbom·
4/5 This chamber of hot molten salt around the tokamak heats up as it captures the neutrons’ energy, and ARC will transfer that heat into electricity. The blanket also helps keep our superconducting magnets cool and produces one of the forms of hydrogen that ARC needs as fuel.
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Brandon Sorbom
Brandon Sorbom@BrandonSorbom·
Big news: @cfs_energy just announced that we’ll build our first power plant, ARC, in Chesterfield County, Virginia. This is a major step toward commercializing clean, zero-carbon fusion energy. More here: blog.cfs.energy/cfs-will-build… and in a thread – 1/5
Commonwealth Fusion Systems@CFS_energy

Fusion is coming... to Chesterfield County, Virginia. In an enormous development for CFS and for the commercialization of fusion energy, we've committed to build the world's first grid-scale fusion power plant, ARC, in Virginia. We'll independently finance, build, own, and operate this first-of-its-kind technology so we can start generating clean, carbon-free energy in the early 2030's. We'll also collaborate with @DominionEnergy Virginia to help smooth ARC's path to the grid, benefitting from their development and technical expertise while helping the utility learn about fusion. Check out what this means for CFS here: bit.ly/4gF0s1c #PowerMoves

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@CFS_energy @MIT @Google @CNN @cfs_energy @elonmusk @BarackObama @taylorswift13