So much progress has been made from imagining a world, to generating the world, to rendering the world, to exploring the world!! What’s next?
TECHNOLOGY
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TMLR Leadership Transition Announced New Editorial Team
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A little under 4 years ago, @RaiaHadsell
, @kchonyc and I launched TMLR. I am SO proud of what we've achieved since then, and I'm particularly happy to leave TMLR to a remarkable team of EICs, with @thegautamkamath
, @NailaMurray
, Nihar B. Shah and @lcharlin . -
Tech breakthroughs: Brain implants, Starlink, antibodies, EV records
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Top stories in tech today: – Musk will soon mass-produce brain implants
– SpaceX to lower Starlink satellites
– MIT shrinks IV antibody infusions into one shot
– Norway’s EV revolution hits new record
– Quick hits on other tech news Read more: https://
tech.therundown.ai/p/neuralinks-b
et-to-scale-brain-surgery
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Jensen Praises Musk Collaboration on Computers and Optimus Robot
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« Elon Musk est tout simplement un ingénieur extraordinaire, et j’adore travailler avec lui. Nous allons construire encore beaucoup d’ordinateurs ensemble. Je suis ravi de collaborer avec lui. Je pense que l’opportunité Optimus est juste au coin de la rue. Il est très probable… pic.twitter.com/BGWHLs27BM
— VISION IA (@vision_ia) 2 janvier 2026« Elon Musk est tout simplement un ingénieur extraordinaire, et j’adore travailler avec lui. Nous allons construire encore beaucoup d’ordinateurs ensemble. Je suis ravi de collaborer avec lui. Je pense que l’opportunité Optimus est juste au coin de la rue. Il est très probable
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Optimizing models with pruning, patterns, and quantization
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But magnitude pruning alone isn't enough. The real magic happens when you combine: → Magnitude pruning (remove smallest weights)
→ Structured patterns (2:4 blocks for GPU)
→ Quantization (INT8 instead of FP32) Stack all three and you get 20-50x deployment efficiency. -
GPU Tensor Cores Accelerate Sparse Networks
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Here's the math that makes it work: Modern GPUs have specialized Tensor Cores optimized for 2:4 sparsity (2 non-zero values per 4 elements). This isn't emulated. It's silicon-level acceleration. 90% sparse network = 50% memory bandwidth + 2x compute throughput. Real speed,
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NVIDIA’s Block Sparsity Breakthrough Speeds AI
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Then came the breakthrough nobody expected: Structured sparsity + modern hardware. NVIDIA proved you don't need random sparse patterns. Block sparsity (2:4, 4:8 patterns) runs NATIVELY on modern GPUs. Suddenly the lottery ticket isn't just accurate. It's actually faster.
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2018 Paper: Pruning Neural Networks Without Accuracy Loss
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The original 2018 paper was mind-blowing: Train a massive neural network. Delete 90% of it based on weight magnitudes. Retrain from scratch with the same initialization. Result: The pruned network matches the original's accuracy. But there was a catch that killed adoption.
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Grok directs car to In-N-Out, car handles navigation safely
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That's not how Grok works. Grok just tells the car, "Go to the In-N-Out," and then the car figures out how to get you there. It's not going to kill you.
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OpenAI’s pen-shaped AI device aims to be third core device
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Additional details about OpenAI’s AI device: It is a pen-shaped device that integrates AI, aiming to become a “third core device” following the iPhone and MacBook. It’s lightweight and highly portable—about the size of an iPod Shuffle—and can be carried in a pocket or worn x.com/jukan05/status…