The artificial intelligence start-up, which competes with OpenAI, is aiming to raise around $10 billion amid talk of a potential initial public offering.
Companies like Kairos Energy are building new types of reactors with the encouragement of the Trump administration, but their success is far from assured.
Deepfakes of Venezuela's ousted president, Nicolás Maduro, flooded the internet after his capture, in a new collision of breaking news and artificial intelligence.