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Today, we unveiled our completed Critical Test Reactor facility. This commercial-scale reactor with fuel to produce 10 MW of electricity was assembled on site from modular components to conclude a net ~70 day timeline from a desert plot to a reactor, reactor facility, and command & control center. Nuclear...

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Aalo Atomics

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151,973 views • 3 months ago •via X (Twitter)

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The Department of Energy has formally approved our Preliminary Documented Safety Analysis (PDSA) for the Mark-0 reactor—our first demonstration reactor, scheduled to go live before July 4, 2026. Mark-0 will validate fueling operations, reactor controls, and core physics. This demonstration is a critical step toward generating electricity from advanced microreactors. Mark-0 uses a full-scale core and the same facility and fuel that will support our next reactor test in 2027. The PDSA defines the preliminary safety basis for the reactor, facility, and planned operations, demonstrating that our approach meets DOE expectations at this stage. This approval validates our safety case and establishes a clear pathway to final acceptance as we prepare for fabrication, assembly, and installation. Mark-0 will be tested at Idaho National Laboratory in Building 793—now the Reactors and Critical Experiments facility—a site with deep nuclear history. Decades ago, this building housed ML-1, the Army’s first mobile nuclear reactor. Today, it supports the next generation of deployable nuclear power. We find the historical relevance fitting and inspiring, as Antares develops a similar-scale microreactor to meet Army operational and installation needs. Since 2024, we’ve worked to establish this facility as an enduring testbed, enabling rapid progress without the need for groundbreaking construction. We’re grateful for our partners at DOE and INL, and for leaders like Congressman Mike Simpson who continue to support the American nuclear renaissance.
1:50

The Department of Energy has formally approved our Preliminary Documented Safety Analysis (PDSA) for the Mark-0 reactor—our first demonstration reactor, scheduled to go live before July 4, 2026. Mark-0 will validate fueling operations, reactor controls, and core physics. This demonstration is a critical step toward generating electricity from advanced microreactors. Mark-0 uses a full-scale core and the same facility and fuel that will support our next reactor test in 2027. The PDSA defines the preliminary safety basis for the reactor, facility, and planned operations, demonstrating that our approach meets DOE expectations at this stage. This approval validates our safety case and establishes a clear pathway to final acceptance as we prepare for fabrication, assembly, and installation. Mark-0 will be tested at Idaho National Laboratory in Building 793—now the Reactors and Critical Experiments facility—a site with deep nuclear history. Decades ago, this building housed ML-1, the Army’s first mobile nuclear reactor. Today, it supports the next generation of deployable nuclear power. We find the historical relevance fitting and inspiring, as Antares develops a similar-scale microreactor to meet Army operational and installation needs. Since 2024, we’ve worked to establish this facility as an enduring testbed, enabling rapid progress without the need for groundbreaking construction. We’re grateful for our partners at DOE and INL, and for leaders like Congressman Mike Simpson who continue to support the American nuclear renaissance.

Antares

16,481 views • 5 months ago

Here's a first look inside our Critical Test Reactor Facility, housing Aalo's first nuclear reactor. The CTR is a milestone in developing Aalo-X, our demonstration nuclear power plant purpose-built to power AI data centers. Take a tour with our CTO Yasir Arafat and learn how the facility works.
13:07

Here's a first look inside our Critical Test Reactor Facility, housing Aalo's first nuclear reactor. The CTR is a milestone in developing Aalo-X, our demonstration nuclear power plant purpose-built to power AI data centers. Take a tour with our CTO Yasir Arafat and learn how the facility works.

Aalo Atomics

12,506 views • 1 month ago

All graphite moderator blocks are loaded into our Critical Test Reactor! big step forward before adding nuclear fuel Full video on the process and installation coming soon from the Aalo Atomics team.
0:24

All graphite moderator blocks are loaded into our Critical Test Reactor! big step forward before adding nuclear fuel Full video on the process and installation coming soon from the Aalo Atomics team.

Yasir Arafat

10,257 views • 1 month ago

$CLNV The first delivery of Reactor One has begun to arrive and bring assembled. This is a big day for us.
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$CLNV The first delivery of Reactor One has begun to arrive and bring assembled. This is a big day for us.

Frank_Benedetto

11,647 views • 1 year ago

Next stop: criticality. From our isotope test reactor in Texas to our first Aurora powerhouse in Idaho, Oklo is in full build mode. And we’re going critical by July 4th with our isotope test reactor. Follow our journey:
0:28

Next stop: criticality. From our isotope test reactor in Texas to our first Aurora powerhouse in Idaho, Oklo is in full build mode. And we’re going critical by July 4th with our isotope test reactor. Follow our journey:

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24,404 views • 2 months ago

Portable Nuclear reactor. 1 Reactor = 8 yrs of electricity! 5 MW electricity! They will be installed at all Overseas American Military base. A technology worth having!
0:53

Portable Nuclear reactor. 1 Reactor = 8 yrs of electricity! 5 MW electricity! They will be installed at all Overseas American Military base. A technology worth having!

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311,248 views • 3 months ago

Uranium powers almost 10% of the world's energy. Here's how it goes from raw ore in the ground to fuel inside a nuclear reactor.
1:04

Uranium powers almost 10% of the world's energy. Here's how it goes from raw ore in the ground to fuel inside a nuclear reactor.

Mario Nawfal

50,570 views • 2 months ago

.Secretary Chris Wright: I am proud to share that we will have multiple advanced reactor prototypes critical by America’s 250th birthday this July 4th. We are driving hard to meet President Trump’s goal of quadrupling nuclear capacity by 2050. 🇺🇸
5:53

.Secretary Chris Wright: I am proud to share that we will have multiple advanced reactor prototypes critical by America’s 250th birthday this July 4th. We are driving hard to meet President Trump’s goal of quadrupling nuclear capacity by 2050. 🇺🇸

Rapid Response 47

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The real experience with a plastic to fuel reactor
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The real experience with a plastic to fuel reactor

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15,011 views • 8 months ago

An amazing film depicting General Atomic's development of the Peach Bottom High Temperature Gas-cooled Reactor (HTGR) in Pennsylvania. 53 private utilities banded together to fund the prototype reactor. The film shows a beautiful model of Peach Bottom, the reactor under construction, many non-nuclear tests (including one with 400 pressure sensors!), details of the thorium-bearing TRISO-like fuel elements, fuel fabrication, critical assembly testing, pilot plant testing (General Atomic in-pile loop), the reactor components test tower, full size control rod and drive mechanism testing, fuel handling tests! An incredible gem. (I did not get this one digitized; the San Diego Air and Space museum did. I just cleaned up the audio and generated/edited subtitles)
15:15

An amazing film depicting General Atomic's development of the Peach Bottom High Temperature Gas-cooled Reactor (HTGR) in Pennsylvania. 53 private utilities banded together to fund the prototype reactor. The film shows a beautiful model of Peach Bottom, the reactor under construction, many non-nuclear tests (including one with 400 pressure sensors!), details of the thorium-bearing TRISO-like fuel elements, fuel fabrication, critical assembly testing, pilot plant testing (General Atomic in-pile loop), the reactor components test tower, full size control rod and drive mechanism testing, fuel handling tests! An incredible gem. (I did not get this one digitized; the San Diego Air and Space museum did. I just cleaned up the audio and generated/edited subtitles)

Nick Touran

10,660 views • 1 year ago

The U.S. government is set to unveil fast-tracked plans this week to build a nuclear reactor on the moon. A new directive will push agencies to start collecting proposals from private industry, aiming to launch the reactor by 2030. Officials warn that the first nation to install a reactor could claim a “keep-out zone” on the lunar surface.
1:11

The U.S. government is set to unveil fast-tracked plans this week to build a nuclear reactor on the moon. A new directive will push agencies to start collecting proposals from private industry, aiming to launch the reactor by 2030. Officials warn that the first nation to install a reactor could claim a “keep-out zone” on the lunar surface.

Shadow of Ezra

107,648 views • 10 months ago

Borax II. Experimental Breeder Reactor I. Zero Power Physics Reactor. These are some of the names of the 52 reactors built at Idaho National Lab a half century ago. Here’s the story of what’s coming next: Aalo’s Critical Test Reactor.
1:28

Borax II. Experimental Breeder Reactor I. Zero Power Physics Reactor. These are some of the names of the 52 reactors built at Idaho National Lab a half century ago. Here’s the story of what’s coming next: Aalo’s Critical Test Reactor.

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16,897 views • 1 month ago

Today, the Department of War will execute Operation Windlord, the first C-17 airlift of a nuclear reactor, in partnership with the Department of Energy and Valar Atomics. Three C-17s Globemasters carrying the 8 modules of the Ward250 reactor will fly from March ARB to Hill AFB.
0:24

Today, the Department of War will execute Operation Windlord, the first C-17 airlift of a nuclear reactor, in partnership with the Department of Energy and Valar Atomics. Three C-17s Globemasters carrying the 8 modules of the Ward250 reactor will fly from March ARB to Hill AFB.

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486,293 views • 4 months ago

Ground is broken at the Oklo Idaho National Lab site. The first Aurora powerhouse is taking shape as part of the U.S. Department of Energy’s Reactor Pilot Program. Built to repurpose used fuel from the very reactor that inspired us, the Experimental Breeder Reactor II, turning yesterday’s innovation into tomorrow’s clean power.
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Ground is broken at the Oklo Idaho National Lab site. The first Aurora powerhouse is taking shape as part of the U.S. Department of Energy’s Reactor Pilot Program. Built to repurpose used fuel from the very reactor that inspired us, the Experimental Breeder Reactor II, turning yesterday’s innovation into tomorrow’s clean power.

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Beginning today, we are industrializing nuclear battery production at the historic Vallecitos Nuclear Center. With this facility, we will deliver our first nuclear battery to customers in 2027 and scale production in 2028 - powering critical missions from the seabed to the lunar surface.
2:52

Beginning today, we are industrializing nuclear battery production at the historic Vallecitos Nuclear Center. With this facility, we will deliver our first nuclear battery to customers in 2027 and scale production in 2028 - powering critical missions from the seabed to the lunar surface.

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Sodium Reactor Nuclear Reactor By Atomics International: The SNAP-10A Program This once highly classified film from 1959 is now available. Researches in China have discovered old forgotten research and films like this to build Sodium reactors once again with apparent great success. Later on the SNAP-10A nuclear reactor was launched into space in 1965. The Systems Nuclear Auxiliary Power Program (SNAP) reactor was developed under the SNAPSHOT program overseen by the U.S. Atomic Energy Commission. Atomics International, then a division of North American Aviation was the prime contractor for the SNAP-10A development. Most of the systems development and reactor testing was conducted at the Santa Susana Field Laboratory, Ventura County, California using a number of specialized facilities. The company also developed and tested other compact nuclear reactors including the SNAP Experimental Reactor (SER), SNAP-2, SNAP-8 Developmental Reactor (SNAP8-DR) and SNAP-8 Experimental Reactor (SNAP-8ER). All quite advanced and all all but forgotten. I remember them for us and AI. Some day this will be the foundation of YOUR personal robot building a life long power supply for you in a modern low cost Sodium Reactor. And no I am not joking…
28:57

Sodium Reactor Nuclear Reactor By Atomics International: The SNAP-10A Program This once highly classified film from 1959 is now available. Researches in China have discovered old forgotten research and films like this to build Sodium reactors once again with apparent great success. Later on the SNAP-10A nuclear reactor was launched into space in 1965. The Systems Nuclear Auxiliary Power Program (SNAP) reactor was developed under the SNAPSHOT program overseen by the U.S. Atomic Energy Commission. Atomics International, then a division of North American Aviation was the prime contractor for the SNAP-10A development. Most of the systems development and reactor testing was conducted at the Santa Susana Field Laboratory, Ventura County, California using a number of specialized facilities. The company also developed and tested other compact nuclear reactors including the SNAP Experimental Reactor (SER), SNAP-2, SNAP-8 Developmental Reactor (SNAP8-DR) and SNAP-8 Experimental Reactor (SNAP-8ER). All quite advanced and all all but forgotten. I remember them for us and AI. Some day this will be the foundation of YOUR personal robot building a life long power supply for you in a modern low cost Sodium Reactor. And no I am not joking…

Brian Roemmele

14,772 views • 1 month ago

When Ontario committed to building the first Small Modular Reactor in the G7, we did so with a clear objective: leverage our first-mover advantage to fire up Ontario’s supply chain and industrial base. Proud to announce a new agreement between GE Vernova Hitachi Nuclear Energy and Velan Inc. to export #MadeInCanada components for European SMRs, worth up to $70 million for each reactor. In addition, we announced that Velan will build a global manufacturing facility in Durham Region. With an estimated $600 billion in global SMR investment ahead, Ontario’s first-mover leadership is creating 18,000 good-paying jobs for Canadians.
0:59

When Ontario committed to building the first Small Modular Reactor in the G7, we did so with a clear objective: leverage our first-mover advantage to fire up Ontario’s supply chain and industrial base. Proud to announce a new agreement between GE Vernova Hitachi Nuclear Energy and Velan Inc. to export #MadeInCanada components for European SMRs, worth up to $70 million for each reactor. In addition, we announced that Velan will build a global manufacturing facility in Durham Region. With an estimated $600 billion in global SMR investment ahead, Ontario’s first-mover leadership is creating 18,000 good-paying jobs for Canadians.

Stephen Lecce

10,465 views • 12 days ago

In less than two months, Oklo’s isotope test reactor will go critical. We’re building, iterating, and executing in real time across power, fuel, and isotopes. Follow our journey:
0:27

In less than two months, Oklo’s isotope test reactor will go critical. We’re building, iterating, and executing in real time across power, fuel, and isotopes. Follow our journey:

Oklo

33,192 views • 1 month ago

How will the World's first SMWC Reactor work? Plastic into fuel #batteryevo #batteryevokomodo #naturejab #pyrolysis
2:59

How will the World's first SMWC Reactor work? Plastic into fuel #batteryevo #batteryevokomodo #naturejab #pyrolysis

Julian Brown

58,741 views • 10 months ago

What a year! Westinghouse saw many successes in 2025, from new investments in our AP1000® reactor technology to advances in our leading AI solutions and the expansion of our nuclear fuel production. Here's a look back at a momentous year as we get ready to celebrate the 140th anniversary of our founding in 2026.
3:01

What a year! Westinghouse saw many successes in 2025, from new investments in our AP1000® reactor technology to advances in our leading AI solutions and the expansion of our nuclear fuel production. Here's a look back at a momentous year as we get ready to celebrate the 140th anniversary of our founding in 2026.

Westinghouse Nuclear

12,073 views • 6 months ago