AIArtificial Intelligence
FERC's grid fast lane comes with a curtailment clause
FERC is pushing grid operators to create faster paths for large loads. The price may be flexibility when the system runs short.
SCN Staff
Quantum·News
A universal anyon gate set lands on trapped ions, not topological hardware
Quantinuum's result demonstrates a universal topological gate set on conventional qubits, while the resource advantage that matters remains unproven.
HPC·Analysis
ARPA-H Is Funding In Silico Drug Testing. Its Compute Footprint Is Still Opaque.
FDA is expanding non-animal methods while ARPA-H funds human drug-safety models. Public materials omit runtime, hardware, and deployment cost.
HPC·News
The Mission Supercomputer Predates Genesis. The AI Framing Around It Does Too.
Mission and its AI framing predate Genesis; its public requirements remain centered on stockpile simulation and application performance.
AIArtificial Intelligence
The compute behind models, inference & agents
Two Deployment Companies, One Week, and the Same Private Capital
OpenAI and Anthropic stood up deployment companies a week apart in May, both on outside capital, some of it from the same firms already financing the chips.
Four Listings, One Ledger: China's GPU Buildout in Audited Numbers
China's listed GPU pure-plays now have comparable audited numbers: an industry that is real, unprofitable, customer-concentrated, and scaling anyway.
AI's Power Moat Is Already Held: Contracted Megawatts Are the Buildout's Scarcest Asset
Shells rise in 18 to 24 months; grid power averages four years. The biggest AI builders have already contracted the firm megawatts everyone else is still queuing for.
HPCHigh-Performance Computing
Exascale systems, accelerators & scientific computing
Why Simulation Supercomputers Are Being Pitched as AI Infrastructure
Simulation still fills the world's research supercomputers. Funding and vendor roadmaps have tilted to AI, and some practitioners feel pressure to pitch their machines that way.
The FP64 Debate Didn't Produce a Winner. It Produced a Joint Byline.
Dongarra, Hoefler, and Matsuoka now ask whether supercomputing needs GPUs at all, and the CPU-only machine atop the Top500 is their test vehicle.
China Retakes TOP500 With a CPU-Only Supercomputer Built Around Export Controls
LineShine, the system NSCC Shenzhen unveiled at the top of the 67th list, sustained 2.198 exaflops on LINPACK and took #1 on HPCG with zero accelerators and a domestic processor, interconnect, and operating system.
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QuantumQuantum Computing
Hardware, algorithms & the race to advantage
The Incredible Shrinking Qubit Count: What Oratomic's $300M Neutral-Atom Bet Is Wagering On
On paper, the qubits to break RSA-2048 fell from a million to tens of thousands in a year, but the smaller machines trade the saving for weeks of runtime. Oratomic raised $300M to build one.
The Hardest Pieces of Fusion's Fuel Chemistry Ran on a Quantum Computer. The Weakest Link Is Now Classical.
ORNL, Cleveland Clinic, and IBM computed nine FLiBe configurations on quantum hardware. The quantum solver hit its marks; the workflow around it is now the bottleneck.
DOE Wants Fault-Tolerant Quantum by 2028. The Roadmaps Show How Hard That Target Is to Define.
Logical qubit' means something different on every vendor roadmap, and DOE's 2028 target doesn't yet say which one counts. A 90-day specifications release this fall settles it.
EmergingEmerging Technology
Photonics, neuromorphic & what comes next
Delay-Line Memory Returns: A Swedish Team Proposes Trading HBM for 14,000 Kilometers of Glass
Uppsala researchers propose streaming LLM weights through spooled fiber instead of HBM. The design is a sketch; the DRAM market that provoked it is very real.
NVIDIA's 45°C Cooling Spec Isn't New Physics. It's a Forcing Function for the Supercomputing Data Center.
NVIDIA specs every MGX rack (GB200, GB300, Vera Rubin) for 45°C inlet water. Warm-water cooling is a decade old; the default on 200 kW-class racks is what's new.
One GPU in Orbit, a Million Satellites on Paper: Inside the Orbital Data Center Filing Arms Race
Since Starcloud flew the first H100 last November, SpaceX, Blue Origin, Starcloud, and a five-month-old startup have filed with the FCC for constellations totaling more than a million satellites. The physics hasn't moved as fast as the paperwork.