Uploaded November 2025 | Updated September 2026, 2 weeks ago
Demo4 is the first high temperature superconducting (HTS) fusion magnet system to achieve fusion-relevant fields.
Join us behind the scenes as Senior Magnet Engineer Matt Bristow and Senior Systems Engineer Sam Brown show Demo4 in action.
Demo4 is more than a magnet. It represents years of innovation, problem-solving, and teamwork. Along the way, we’ve overcome challenges in design, manufacturing, cryogenics, and system integration, and built a state-of-the-art facility to test and operate advanced HTS systems.
HTS technology isn't just about fusion. With around 200x the current density of copper, it enables lighter, more compact, and more efficient magnet and power distribution systems – transforming industries, from energy to science.
Building on the success of Demo4, TE Magnetics is partnering with industry to deliver next-generation HTS systems for applications from data centre power distribution to life sciences and advanced propulsion.
Demo4 is the first high temperature superconducting (HTS) fusion magnet system to achieve fusion-relevant fields.
Join us behind the scenes as Senior Magnet Engineer Matt Bristow and Senior Systems Engineer Sam Brown show Demo4 in action.
Demo4 is more than a magnet. It represents years of innovation, problem-solving, and teamwork. Along the way, we’ve overcome challenges in design, manufacturing, cryogenics, and system integration, and built a state-of-the-art facility to test and operate advanced HTS systems.
HTS technology isn't just about fusion. With around 200x the current density of copper, it enables lighter, more compact, and more efficient magnet and power distribution systems – transforming industries, from energy to science.
Building on the success of Demo4, TE Magnetics is partnering with industry to deliver next-generation HTS systems for applications from data centre power distribution to life sciences and advanced propulsion.
