China's Thorium Reactors.

Every commercial nuclear reactor in the world runs on uranium. Uranium brings three undeniable problems. It creates weapons-grade plutonium. It melts down under pressure. Its radioactive waste lasts for tens of thousands of years.
Thorium solves all three.
Physicists have known this since the 1960s. The United States actually built a working thorium reactor. They proved the technology was viable. Then they deliberately abandoned it.
They did not abandon it because it failed. They shut it down because a thorium reaction does not produce the plutonium byproduct needed for nuclear warheads. During the Cold War, generating clean power without producing weapons material was considered a flaw rather than a feature.
Now, China has just built and switched on the first operational thorium reactor.
Thorium is three times more abundant than uranium in the earth's crust. A thorium reactor physically cannot undergo a runaway meltdown. If it loses power or cooling, the reaction simply stops. The waste it leaves behind is dangerous for a few hundred years rather than millennia. And you cannot build a bomb out of it.

Western scientists invented the safest form of nuclear energy and locked the blueprints in a drawer. China just found the drawer.

🌐 Official Website and Information Sources

The most authoritative source for information on the TMSR-LF1 project is the Shanghai Institute of Applied Physics (SINAP). SINAP operates under the Chinese Academy of Sciences (CAS), which launched the thorium reactor research program.

• Primary Website: You can find official announcements, research publications, and project updates on SINAP's official website: www.sinap.ac.cn. Note that the site is primarily in Chinese, but you can use a browser's translation feature to navigate.

• News and Updates: For the latest technical milestones (such as the thorium-uranium fuel conversion achieved in 2025), SINAP's news section is the direct source.

📧 Public Contact for Inquiries

For the TMSR-LF1 project, a contact person and email address were publicly listed for environmental impact assessment purposes. While this was for a specific public consultation, this is the most direct official channel available for inquiries regarding the facility.

• Contact Person: Guo Xianwei

• Email Address: guoxianwei@sinap.ac.cn

• Affiliation: Shanghai Institute of Applied Physics (SINAP), Chinese Academy of Sciences

This contact was officially published on the SINAP website. When emailing, be clear that you are a member of the public interested in the TMSR-LF1 project. Keep your inquiry professional and concise, as this is a formal work email address.

🔍 Alternative Ways to Learn

If you don't receive a reply, you can still stay informed through these methods:

• Monitor Official Channels: Regularly check the SINAP website and the official Chinese Academy of Sciences (CAS) news portal for press releases and technical reports.

• Follow Industry Publications: Reputable nuclear energy news sites like World Nuclear News and POWER Magazine provide excellent, up-to-date English-language coverage and analysis of the project's progress.

I hope this information helps you connect with the project. Would you be interested in any specific technical details about the thorium reactor's design or its development timeline?

https://www.sinap.ac.cn/sinap_cas_v1/xwzx/tzgg/202007/t20200707_5619730.html

https://world-nuclear-news.org/articles/chinese-msr-achieves-conversion-of-thorium-uranium-fuel?cid=64010&utm_id=446&utm_map=13419630-3b5c-4a0b-9b8b-36cd46b7ab1c

https://www.powermag.com/chinas-molten-salt-reactor-reaches-thorium-uranium-conversion-milestone/

No, the TMSR-LF1 is not producing usable power for the grid. It is a 2 MW thermal (MWt) experimental reactor, not an electrical power plant. Its purpose is research and experimentation, not electricity generation .

Instead of sending power to the grid, the reactor's heat is dissipated into the air through a secondary cooling system. The facility also includes several experimental channels specifically designed for testing materials and fuels .

Here is a detailed breakdown of its technical specifications.

📊 TMSR-LF1 Key Specifications

Specification	Value	Notes
Reactor Type	Liquid-fueled Molten Salt Reactor (MSR)	Gen IV design, fuel is dissolved in coolant
Thermal Power	2 MW (MW thermal)	For research, not electricity generation
Designed Lifetime	10 years
Full Power Days (EFPD)	300 days (over lifetime)	Max ~60 days per year
Fuel Salt (Primary)	LiF-BeF₂-ZrF₄-UF₄	Fuel and coolant combined
Uranium-235 Enrichment	19.75%	Just below 20% high-assay limit
Coolant Salt (Secondary)	LiF-BeF₂	Non-radioactive heat transfer loop
Fuel Salt Inlet/Outlet Temp	630°C / 650°C	Primary loop temperatures
Coolant Salt Inlet/Outlet Temp	560°C / 580°C	Secondary loop temperatures
Structural Material	UNS N1003 Nickel-based alloy	High-temperature corrosion-resistant
Moderator	Superfine particle graphite	Slows neutrons for sustained reaction
Core Dimensions	Diameter ~110-190cm / Height ~110-180cm	Varies by specification

⚛️ The "Thorium" Connection

While named the "Thorium" Molten Salt Reactor, the current fuel is low-enriched uranium, not thorium. The reactor is designed with experimental channels to irradiate and study thorium fuel samples. This research will provide the data needed to eventually transition to a thorium-based fuel cycle in future, larger reactors .

Software's Hidden Carbon Footprint: How AI Is Making Apps Greener

 

Differential Energy Profiling Points the Way to More Sustainable Mobile Computing

Every time you open an app on your smartphone, you're making an invisible environmental choice. Two messaging apps may look identical on the surface, yet one might drain your battery twice as fast as the other. That excess energy consumption isn't just an inconvenience—it's a sustainability problem hiding in plain sight.

With billions of smartphones in active use worldwide, inefficient code translates into millions of unnecessary charging cycles, increased electricity demand, and a larger collective carbon footprint. The question researchers have long grappled with: how do we systematically identify and fix these hidden energy drains?
Enter DiffProf: AI-Powered Energy Optimization

Researchers at Purdue University developed a tool called DiffProf that uses artificial intelligence to compare similar apps and automatically identify why one consumes more energy than another. The technique, known as "differential energy profiling," works by analyzing the "call trees" of apps performing the same task—essentially mapping out every computational step each app takes.

The insight is elegant: if two messaging apps both send a text message, but one uses 70% more battery, the difference must lie in their code. DiffProf catches these differences and reveals exactly how developers can rewrite their apps to match the efficiency of the best performers.
From Black Box to Actionable Intelligence

"Before this point, trying to figure out how much battery an app is draining was like looking at a black box," explained Y. Charlie Hu, the Purdue professor who led the research. Previous tools could identify that an app was draining battery, but not what to do about it. DiffProf bridges that gap by providing concrete, actionable recommendations.
The Green Technology Implications

For those of us working on sustainability in the tech sector, DiffProf represents an important paradigm shift. We often focus on hardware efficiency—better batteries, more efficient processors, renewable energy for data centers. But software efficiency is equally critical and frequently overlooked.

Consider the scale: if optimized code could reduce average smartphone battery consumption by even 10%, the cumulative impact across billions of devices would be substantial. Fewer charging cycles means less electricity demand, reduced wear on batteries (extending their lifespan and reducing e-waste), and a meaningful reduction in carbon emissions.
The Path Forward

The ultimate promise of tools like DiffProf is a future where energy efficiency becomes a standard metric in software development—as fundamental as functionality and security. As Abhilash Jindal, a co-founder of Mobile Enerlytics, noted: "In order for this technique to make a big difference for an entire smartphone, all developers would need to make their apps more energy-efficient."

That's both the challenge and the opportunity. By making energy optimization accessible and automatic, AI tools are lowering the barrier to greener software development. The technology exists—now it's a matter of adoption.

In the fight against climate change, every efficiency gain counts. Sometimes the most impactful changes aren't the ones we can see, but the ones running quietly in the code beneath our fingertips.

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Source: Research presented at the 13th USENIX Symposium on Operating Systems Design and Implementation, supported by the National Science Foundation.