Scientific progress.
Engineering implications.
Fusion-energy reviews spanning January 2025 to August 2026, alongside semiconductor and computing perspectives. Published 11 October 2026, with current developments distinguished from each review period.
19 articles
July-August 2026
The June 2026 DOE roadmap makes the engineering agenda more explicit. A credible plant case must connect plasma, materials, fuel, maintenance and net output in one operating model.
May-June 2026
Machine learning can improve diagnostics and accelerate decisions. The engineering case depends on uncertainty, timing, independent protection and validation outside the training envelope.
March-April 2026
Changes to the ITER research plan illustrate why science objectives, machine readiness and commercial delivery should be tracked as different milestones.
January-February 2026
High-temperature superconductors change the design space for magnetic confinement. Qualification must still connect field, structural loading, protection and irradiation effects.
2026 technology review
A wider memory interface changes the performance ceiling, but locality, arithmetic intensity, capacity and thermal limits determine what an application actually gains.
November-December 2025
Fuel breeding, recovery, retention and operating inventory are coupled design variables. A positive breeding ratio alone does not describe a self-sufficient operating system.
November 2025-October 2026 review
CXL extends the memory-system design space. Link speed, topology, locality and tail latency must be considered together before treating expanded memory as a substitute for local DRAM.
September-October 2025
Thermal performance, irradiation damage and chemical compatibility must become a joined qualification case. A materials ranking based on one property is not enough.
2025-2026 technology review
As more functions move into a package, material interfaces and measurement access become system-level decisions. Reliability must be designed in rather than inferred from a working demonstration.
July-August 2025
The stellarator result shifts attention from peak parameters to sustained, jointly measured plasma performance. That is a more demanding and more informative comparison.
May-June 2025
The 8.6 MJ experiment is a major target-physics result. Converting that result into an electricity proposition requires laser efficiency, repetition rate and plant loads to enter the same calculation.
2025-2026 technology review
Partitioning a chip changes yield, testability and thermal behaviour. Fine-pitch integration creates opportunities, but the assembled system still needs a complete qualification plan.
March-April 2025
The WEST duration milestone is best understood as a test of sustained plasma operation and actively cooled components, not as a demonstration of a generating station.
2025-2026 technology review
Higher numerical aperture improves optical resolution while changing focus, resist and measurement requirements. The decision is about good dies per complete manufacturing flow.
January-February 2025
A long discharge is a demanding integrated control experiment. Understanding its value requires separating pulse duration from confinement, fusion gain and electricity production.
2025-2026 technology review
Nanosheet transistors and backside power change different constraints. A useful comparison starts with voltage, routing, libraries and the workload, not a nominal nanometre label.
Capacity is only one part of the picture. Compatibility, data movement and the workload matter just as much.
A useful infrastructure specification starts with the service it will support, not with the largest number on a data sheet.
Beyond the plasma, fusion brings together measurement, materials, control and computing. These enabling technologies deserve a closer look.
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