AI-generated summary
Nuclear fusion has long been pursued as a clean, safe, and inexhaustible energy source, but its commercial realization remains distant. Nevertheless, the technological advancements driven by fusion research are already impacting various sectors through “technological spillover.” One key innovation is the development of high-temperature superconducting magnets (HTS), crucial for plasma confinement in fusion reactors. For example, the UK company Tokamak Energy has created Ultra Compact Insulation technology to enhance these magnets’ performance, and its spin-off, TE Magnetics, is commercializing HTS magnets for MRI machines, enabling smaller and more efficient medical devices. Additionally, advanced cryogenic systems developed to maintain the extremely low temperatures required by HTS magnets are being adapted for vaccine transport, satellite stabilization, and quantum computing cooling.
Fusion research also fosters innovations in materials science, robotics, artificial intelligence, and high-energy lasers. The European IFMIF-DONES project aims to develop materials that can endure fusion reactor conditions, with applications extending to aerospace and solar technology. Fusion’s remote maintenance demands have accelerated autonomous robotics useful in hazardous environments and space missions. Real-time plasma control has driven AI architectures now employed in smart cities and autonomous transport, while high-energy lasers originally designed for fusion have enhanced cancer therapies and medical imaging. These spillovers position fusion research as a strategic engine for industrial innovation, enabling Europe to gain leadership in multiple sectors even before commercial fusion power is achieved.
Although the long-awaited energy revolution is still far from reaching the electricity grid, it is already generating technological advances with unexpected applications.
For decades, nuclear fusion has been a frustrated ambition of energy science: a clean, safe and inexhaustible source. Although its commercial use is still far from being reached, its development is driving advances that already have an impact outside the energy sector. This transfer of knowledge is known as technological spillover: solutions designed to face the extreme challenges of fusion that find immediate applications in other areas.
One of the most significant advances comes from the development of high-temperature superconducting magnets (HTS), essential for confining plasma in tokamak-type reactors. The English company Tokamak Energy has designed a new Ultra Compact Insulation technology that improves the power and stability of these magnets. His spin-off startup TE Magnetics, launched in 2024, is already commercializing these magnets for use in magnetic resonance imaging (MRI) systems, enabling smaller, more efficient, and more accessible equipment. The first large-scale testbed, Demo4, will be activated in the second half of 2025.
The operational maintenance of HTS magnets requires advanced cryogenic systems, capable of maintaining temperatures close to absolute zero. Companies such as General Atomics (USA) Gauss Fusion (USA) and Gauss Fusion (Germany) have developed these technologies for fusion reactors, but their application goes further. In fact, these solutions are being adapted to
The versatility of HTS magnets has also attracted the attention of the military sector. In 2025, Tokamak Energy announced a collaboration with DARPA (US defense agency) to develop silent propulsion systems for submarines, a completely different application from the energy context, but with the same physical foundations.
One of the challenges of fusion is finding materials capable of withstanding extreme temperatures and intense neutron fluxes. The European project IFMIF-DONES, based in Granada, is designed precisely for this purpose. The materials developed here will not only be used for fusion reactors, but also for aeronautics, industrial turbines and concentrated solar technology. The first stone of the complex was laid in May 2025 and contracts are already being signed with SMEs and local research centers.
Fusion reactors , on the other hand, require remote maintenance systems that operate in environments with high radiation and heat. This has driven the development of autonomous robotics applicable to rescue, space missions or industries dangerous to humans.
In addition, real-time plasma control has demanded new artificial intelligence architectures that can process millions of data per second. These solutions are being used in
Finally, the very high-energy lasers developed for inertial confinement in fusion (such as those of the NIF laboratory in the USA) have led to tools used in proton therapy, an oncological technique that is more precise and less invasive than conventional radiotherapy . They have also contributed to the advancement of medical imaging systems with better resolution and less impact on the patient.
As evidenced by the Future Trends Forum of the Bankinter Innovation Foundation, these technological spillovers are much more than side effects: they are a strategic platform for industrial innovation for Europe. As with the space program or CERN, the indirect benefits may come before the final goal and, although its use as an energy source is yet to come, fusion is already transforming entire sectors with its associated technologies. Thus, Europe can take advantage of this inertia to build industrial leadership before the first commercial reactor comes online.
