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The U.S. nuclear fusion breakthrough is a huge milestone — but unlimited clean energy is still decades off

The U.S. nuclear fusion breakthrough is a huge milestone — but unlimited clean energy is still decades off

In some ways, scientists at the Department of Energy’s National Ignition Facility (NIF) have been a bit down and out. The $3.5 billion facility was designed to replicate the atom-smashing reactions that occur inside the sun, a difficult process that requires enormous amounts of heat and pressure, and could theoretically solve humanity’s energy and climate woes.

But technical obstacles put NIF a decade behind in its goal of achieving fusion “ignition,” that is, getting more energy out of one of those reactions than it put in. The facility uses the largest lasers in the world to try and do that, focusing energy on a tiny capsule filled with hydrogen isotopes.

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We have ‘ignition’: Fusion breakthrough draws energy gain

We have ‘ignition’: Fusion breakthrough draws energy gain

U.S. scientists have achieved “ignition” — a fusion reaction that produced more energy than it took to create — a critical milestone for nuclear fusion and a step forward in the pursuit of a nearly limitless source of clean energy, Energy Department officials said Tuesday.

Nuclear fusion, the process that powers the sun and other stars, occurs when two atoms’ nuclei collide under extreme temperatures, causing a reaction that can generate incredible amounts of energy with few environmental costs.

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Nuclear fusion could transform the energy sector. Chevron and Alphabet are already investing.

Nuclear fusion could transform the energy sector. Chevron and Alphabet are already investing.

The latest step toward pollution-free power has the potential to transform the energy sector, perhaps decades from now, but some companies are already positioning themselves to benefit.

Energy Secretary Jennifer Granholm said on Tuesday that scientists at the Lawrence Livermore National Laboratory in California had made “a tremendous scientific breakthrough” in their tests of nuclear fusion, the reaction that powers the sun. While prior efforts to achieve fusion—combining two hydrogen atoms to produce helium in a reaction that produces energy—consumed more energy than they released, the Livermore scientists flipped the balance.

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Scientists produce nuclear fusion breakthrough

Scientists produce nuclear fusion breakthrough

The Department of Energy is expected to announce tomorrow that researchers at the Lawrence Livermore National Lab in California have used lasers to produce a nuclear fusion reaction that creates energy. NBC News’ Tom Costello shares more about what scientists are calling the “Holy Grail” of clean energy.

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Congressional Fusion Energy Caucus Visits TAE Technologies Headquarters

Congressional Fusion Energy Caucus Visits TAE Technologies Headquarters

On Wednesday, U.S. Representative Young Kim (CA-40), U.S. Representative Don Beyer (VA-08), and U.S. Representative Mike Levin (CA-49) visited TAE Technologies, the world’s largest private fusion energy company. Rep. Beyer founded and co-chairs the bipartisan fusion energy caucus in 2021, which is touring energy facilities across California. 

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March 26, 2025

March 26, 2025

New TAE fusion research alert!

Fusion Science & Technology has published two articles that highlight the tremendous progress we’ve made through collaborations with the US Department of Energy, national labs, and public universities: 

“How the Exascale Computing Project and Private Magnetic Fusion Research Stimulated Each Other” details TAE’s work with the US DOE’s Exascale Computing Project since 2016. With access to these world-class supercomputers and software, the TAE team created high-fidelity simulations of FRC plasmas that helped improve plasma confinement and improved the ECP’s computational toolset. 

That means this research – alongside related simulation work  with our partners at the University of California, Irvine – advances TAE’s approach to fusion while delivering insights and benefit for the industry at large

Dig into the results of this research.

“Advancing Fusion Research and Development at TAE Technologies Through INFUSE Program” captures six years of R&D collaboration with support from the US DOE’s Innovation Network for Fusion Energy (INFUSE) program. 

This long history of collaboration with INFUSE has led to better FRC plasma stability and control, innovative heating schemes, and breakthrough insight into plasma-material interactions – all of which advance progress towards a commercially viable fusion power plant

Catch up on TAE’s work with the US DOE and INFUSE.

We believe the path to commercial fusion power will be built by the collective effort of the private sector and public fusion R&D. Today we’re celebrating the accomplishments of our team and our collaborators, including Oak Ridge National Laboratory; Princeton Plasma Physics Laboratory; Rochester University; Sandia National Laboratories; and the University of Illinois Urbana-Champaign, among many others. 

Together, we’ll continue to drive innovation and accelerate progress toward grid-ready hydrogen-boron fusion power

Visit: Research library

February 17, 2025

February 17, 2025

TAE VPs of R&D, Mike Meekins and Rich Magee, led a tour of our facilities, including a closer look at our TAE Beams lab and our fifth-generation National Laboratory-scale fusion research machine. They were joined by HM Consul General Paul Rennie OBE; UKAEA Deputy CEO Tim Bestwick; UKAEA Head of Business Development Rajeev Deshprabhu; UK DESNZ Head of International Fusion Christopher Russo; UK DESNZ Fusion Energy Sector and Investment Lead James Jopling; UK DBT Senior Sector Manager Sabiha Padhani; and UK DBT Trade and Investment Officer Ari Wigder.

January 24, 2025

January 24, 2025

What compels someone to embark on the unknown? To stand on the precipice of that which has never been done before — that which some would say couldn’t be achieved? At TAE, we’re compelled by the possibility of delivering a carbon-free power source that would revolutionize energy access around the world. We have a vision for a future with safe, abundant, hydrogen-boron fusion, and we’re daring to climb this clean energy Everest to create a better tomorrow. Reaching the summit will be a challenge of perseverance, vision and determination, but at TAE we believe a goal is only impossible until it’s accomplished. 

TAE Poster Series: Power Possibilities

December 19, 2024

December 19, 2024

 ‘Tis the season and we got you a little gift …

A new, printable edition of our “Nature Serving Nature” poster is now available for download!

TAE’s poster series is all about exploring what could be achieved with abundant, inexpensive, and nearly limitless aneutronic fusion energy. From protecting our environment to preserving the pristine snow on our mountains, TAE’s mission is to build a greener tomorrow powered by the cleanest fusion technology. 

Our preferred fuel choice, hydrogen-boron, is a sustainable option that’s derived from the world around us – offering a path to abundant, carbon-free power that can preserve the natural world

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