AI (Artificial Intelligence)

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Grok’s deepfake images which ‘digitally undress’ women investigated by Australia’s online safety watchdog

eSafety Australia says it ‘has received several reports relating to the use of Grok to generate sexualised images without consent’ since late 2025Follow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastAustralia’s online safety watchdog is investigating sexualised deepfake images posted on X by its AI […]

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Implementing Softmax From Scratch: Avoiding the Numerical Stability Trap

In deep learning, classification models don’t just need to make predictions—they need to express confidence. That’s where the Softmax activation function comes in. Softmax takes the raw, unbounded scores produced by a neural network and transforms them into a well-defined probability distribution, making it possible to interpret each output as the likelihood of a specific

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NVIDIA AI Released Nemotron Speech ASR: A New Open Source Transcription Model Designed from the Ground Up for Low-Latency Use Cases like Voice Agents

NVIDIA has just released its new streaming English transcription model (Nemotron Speech ASR) built specifically for low latency voice agents and live captioning. The checkpoint nvidia/nemotron-speech-streaming-en-0.6b on Hugging Face combines a cache aware FastConformer encoder with an RNNT decoder, and is tuned for both streaming and batch workloads on modern NVIDIA GPUs. Model design, architecture

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Starstruck

Few people, if any, contemplate stars—celestial or cinematic—the way Aomawa Shields does.  An astronomer and astrobiologist, Shields explores the potential habitability of planets beyond our solar system. But she is also a classically trained actor—and that’s helped shape her professional trajectory in unexpected ways.  Today, Shields is an associate professor in the Department of Physics

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Powering up (and saving) the planet

Water shortages in Southern California made an indelible impression on Evelyn Wang ’00 when she was growing up in Los Angeles. “I was quite young, perhaps in first grade,” she says. “But I remember we weren’t allowed to turn our sprinklers on. And everyone in the neighborhood was given disinfectant tablets for the toilet and

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