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Builder.ai collapses after revelation that its "AI" was hundreds of engineers

Billion-dollar implosion exposes the perils of AI hype
Cutting corners: Builder.ai promised to revolutionize software development with artificial intelligence – and convinced deep-pocketed investors it had. Backed by Microsoft and valued at $1.5 billion, the startup masked manual labor as machine learning until the facade crumbled, leaving behind lawsuits, layoffs, and one of the industry's most embarrassing collapses.
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Superwood aims to replace steel and concrete with a sustainable alternative

First shipments are expected later this year as demand for green materials grows
Forward-looking: As InventWood prepares to bring its first batches of Superwood to market, it stands as a testament to what can happen when scientific innovation meets entrepreneurial determination. If successful, Superwood could mark a turning point in the quest for greener, stronger, and more beautiful buildings.
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Climate tech startup aims to store carbon in oceans and reshape the energy sector

Equatic will absorb CO2 and pump it into the ocean, while also producing hydrogen as fuel, or at least that's the plan
In a nutshell: A Los Angeles startup is making waves by claiming it can simultaneously address two major climate challenges: removing carbon dioxide (CO2) from the atmosphere and storing it in the ocean, while also producing emissions-free hydrogen fuel. The concept sounds promising, but not everyone is on board with it.
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New $150M facility will fire 7-petawatt lasers to (hopefully) achieve nuclear fusion

Forward-looking: Fusion energy is often regarded as the holy grail of power generation because it harnesses the same atomic process that powers the sun. The concept involves forcing atomic nuclei to fuse together, unleashing immense energy. If scientists can crack the code using lasers, it could lead to a virtually limitless supply of safe, sustainable energy without any carbon emissions.
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OpenAI secures record-breaking $6.6 billion in funding, now valued at $157 billion

The company is one of the three largest venture-backed startups ever
Why it matters: We knew OpenAI was hot, but maybe not this hot. The company has just raised a startling $6.6 billion, leading to a valuation of $157 billion. Even by Silicon Valley standards this is a lot of money. OpenAI is close-lipped about how it will invest the capital, only saying it will accelerate AI research and increase its compute capabilities.