TECH NEWS

Helix Carbon says it can make iron cheaper by recycling blast furnace pollution

The iron and steel industries are among the biggest polluters in the world. Plenty of startups have tried to cut the industry’s emissions, mostly by developing new ways to make the metals. Helix Carbon thinks those startups have been going about it all wrong.

“Any attempt to decarbonize the steel industry without dealing with the blast furnace is not going to work,” David Brown, Helix Carbon’s co-founder and CEO, told TechCrunch. A blast furnace is the giant furnace that turns iron ore into the iron used to make steel. Rather than replace blast furnaces, Helix wants to clean them up. Its approach promises to slash the steel industry’s carbon emissions while boosting profit margins for iron producers, a rare win-win for a dirty industrial process.

Blast furnaces have made iron for centuries, using coke, a processed form of coal, to help turn raw iron ore (iron bound up with oxygen)...

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The Energy and Infrastructure Challenges Behind Physical AI

For three years, "AI" meant something you talked to. A box on a screen that wrote your emails, summarized your meetings, and occasionally hallucinated a court case. That version of AI lived entirely behind glass, with no hands, no weight, no stake in the physical room it was

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Pluto Security Emerges From Stealth With $42M in Funding as AI Workspace Security Gains Momentum

The rapid adoption of artificial intelligence is changing how employees build software, automate workflows, and interact with enterprise data. That shift is creating new security challenges for organizations trying to balance innovation with risk management. Pluto Security is now emerging from stealth with $42 million in total funding, multi-million-dollar annual

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Your RAG System Can Be Healthy and Still Be Wrong

When an AI application gives an incorrect answer, the first instinct is often to inspect the model. Engineers review the prompt, switch models, adjust temperature, or experiment with a larger context window. Sometimes that is necessary. But there is another possibility: the model answered correctly using information that should no

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We Spent $900 on Influencers, Then Built a 3,500-Member Discord Community Without Ads

On day eleven of our influencer campaign, I opened the spreadsheet and did the math. Five creators paid. $900 gone. In return: 30 to 40 leads who regarded our product the way people regard a timeshare pitch, politely and mostly for the snacks. I'm Barbara Nekrasova, CEO of

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The Energy and Infrastructure Challenges Behind Physical AI

Pluto Security Emerges From Stealth With $42M in Funding as AI Workspace Security Gains Momentum

Your RAG System Can Be Healthy and Still Be Wrong

We Spent $900 on Influencers, Then Built a 3,500-Member Discord Community Without Ads