{"id":570877,"date":"2026-03-28T23:03:07","date_gmt":"2026-03-28T23:03:07","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/570877\/"},"modified":"2026-03-28T23:03:07","modified_gmt":"2026-03-28T23:03:07","slug":"scientists-make-breakthrough-with-magnets-in-pursuit-of-limitless-energy-source","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/570877\/","title":{"rendered":"Scientists make breakthrough with magnets in pursuit of limitless energy source"},"content":{"rendered":"

A prototype nuclear fusion<\/a> power plant in the United Kingdom isn’t expected to be completed until 2040, but experts are already working to lower maintenance costs and shorten shutdown times.<\/p>\n

It’s part of the STEP \u2014 Spherical Tokamak for Energy Production \u2014 program implemented by U.K. Industrial Fusion Solutions. The goal is to unlock nearly limitless energy without harmful air pollution<\/a>, long-lasting nuclear waste, or serious accident risks.<\/p>\n

But sustaining reactions inside complex, magnetic tokamak<\/a> chambers with swirling plasma that’s hotter than the sun’s core \u2014 while using less energy than it takes to operate \u2014 has been a challenge for fusion scientists around the world.<\/p>\n

Magnet maintenance is a sticking point, according to the experts.<\/p>\n

“For fusion to become a commercially viable energy source, magnets must not only perform at the highest levels, but also be maintainable over decades of operation,” STEP’s team said<\/a> in a press release.<\/p>\n

The solution is remountable magnets with “plug-and-socket” connectors that make them easier to remove for upkeep. This is counter to the permanently installed components typical in reactors. The result is faster maintenance and lower costs.<\/p>\n

The joints and accompanying clamps have been tested in extreme conditions. Interestingly, the setup’s description sounds both anatomical and atomic.<\/p>\n

“The system uses a bladder-based clamp: a sealed bladder containing a liquid that expands as it freezes during cool-down, helping to apply an even contact pressure across the electrical interface at cryogenic temperatures,” STEP Fusion detailed<\/a>.<\/p>\n

A successful fusion prototype could be transformational for the world’s energy supply, which is being strained by rising data center power demand<\/a> and other factors. In the United States, electricity rates are widely reported to be rising faster than inflation.<\/p>\n

Unlike common fission plants, fusion combines atoms instead of splitting them. Both processes require powerful particle collisions, according<\/a> to the U.S. Department of Energy. Fission has been successfully commercialized, and the World Nuclear Association reported that reactors generate about 9%<\/a> of the planet’s electricity.<\/p>\n

But the energy doesn’t come without risks. Waste, security, and high costs are some setbacks cited<\/a> by the Union of Concerned Scientists and other expert groups. New York financial advisory firm Lazard reported<\/a> in 2025 that solar and wind are cheaper, faster energy options to deploy at scale.<\/p>\n

Solar panel arrays harness the sun’s energy instead of replicating its power. They are electricity sources that can be leveraged at home<\/a>, giving billpayers a way to mitigate rising energy costs.<\/p>\n

Still, proponents of nuclear energy think the waste and meltdown<\/a> risks are manageable and worth it for the abundant, smog-free electricity produced. For reference, hazardous nuclear waste comes in the form of ceramic pellets, not leaking ooze, per<\/a> the DOE.<\/p>\n

As for expenses, fusion experiments such as STEP are reported to cost tens of billions of dollars. It’s a pricey undertaking with “no guarantee” for success, as the BBC<\/a> noted about the U.K. project in 2022.<\/p>\n

The remountable magnets are undergoing more testing and patent prep. The experts are confident that their progress is legitimate, “tackling one of the key barriers<\/a>” to bringing the project closer to fruition.<\/p>\n

“What’s notable is we’ve gone from a concept sketch to delivering and shipping a product for testing in one financial year,” Aurobindo Siddarth Swaminathan, principal engineer for magnets at STEP, said<\/a> in the release.<\/p>\n

Get TCD’s free newsletters<\/a> for easy tips to save more, waste less, and make smarter choices \u2014 and earn up to $5,000 toward clean upgrades in TCD’s exclusive Rewards Club<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"A prototype nuclear fusion power plant in the United Kingdom isn’t expected to be completed until 2040, but…\n","protected":false},"author":2,"featured_media":570878,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[64,63,2572,243508,126128,160206,39810,17749,6219,292,128,280348],"class_list":{"0":"post-570877","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics","8":"tag-au","9":"tag-australia","10":"tag-energy","11":"tag-energy-production","12":"tag-magnets","13":"tag-maintenance-costs","14":"tag-nuclear-energy","15":"tag-nuclear-fusion","16":"tag-nuclear-waste","17":"tag-physics","18":"tag-science","19":"tag-u-k-industrial-fusion-solutions"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/570877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=570877"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/570877\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/570878"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=570877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=570877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=570877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}