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Machine Heart

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Machine Heart
Machine Heart
Apr 23, 2026 · Artificial Intelligence

How Information Shapes Koopman Representations for World Modeling

The paper revisits Koopman representation learning through the lens of the information bottleneck, identifies the exact information needed for stable, long‑term dynamics propagation, proposes an information‑shaped objective combining mutual information and von Neumann entropy, and demonstrates superior prediction accuracy and stability across physical, visual, and graph‑based dynamical systems.

KoopmanMutual Informationrepresentation learning
0 likes · 11 min read
How Information Shapes Koopman Representations for World Modeling
Machine Heart
Machine Heart
Apr 23, 2026 · Industry Insights

Meta Forces Employee Mouse‑and‑Keyboard Tracking to Train AI, Sparking Outrage

Meta is installing software on U.S. employees' computers to capture mouse movements, clicks, and keystrokes for AI model training, a move detailed in an internal memo that has provoked strong backlash, raised privacy concerns, and highlighted the company's broader push toward autonomous AI agents amid industry‑wide automation trends.

AI agentsAI trainingMeta
0 likes · 9 min read
Meta Forces Employee Mouse‑and‑Keyboard Tracking to Train AI, Sparking Outrage
Machine Heart
Machine Heart
Apr 22, 2026 · Industry Insights

Pro Users Blocked from Claude Code—Upgrade to $100 Max Plan or Lose Access

Anthropic quietly removed Claude Code from its $20 Pro tier, making it exclusive to the $100‑per‑month Max plan, which sparked fierce backlash from developers, prompted a clarification that the change is a limited test, and highlighted the volatility of AI SaaS pricing as usage patterns shift toward heavy compute‑intensive tasks.

AI SaaSAnthropicClaude Code
0 likes · 6 min read
Pro Users Blocked from Claude Code—Upgrade to $100 Max Plan or Lose Access
Machine Heart
Machine Heart
Apr 22, 2026 · Artificial Intelligence

China’s AlphaBrain Platform Launches First Full‑Stack Open‑Source Brain‑Like VLA

The AlphaBrain Platform, an open‑source embodied‑intelligence suite from China’s AI² Robotics, combines a world‑model stack, the pioneering NeuroVLA brain‑like model with spiking‑neuron actions, low‑cost RL‑Token training, and cross‑architecture continuous learning, all validated on leading robotics benchmarks.

AlphaBrainNeuroVLARL token
0 likes · 11 min read
China’s AlphaBrain Platform Launches First Full‑Stack Open‑Source Brain‑Like VLA
Machine Heart
Machine Heart
Apr 22, 2026 · Artificial Intelligence

Apple Turns Transformers into Mamba with Linear‑Cost Distillation

Apple proposes a two‑step cross‑architecture distillation that converts expensive, high‑performing Transformers into cheaper, nearly equally strong Mamba models by first replacing softmax attention with learned linear attention (Hedgehog) and then embedding this intermediate form into Mamba, achieving comparable perplexity and downstream task performance with far lower inference cost.

Artificial IntelligenceCross-Architecture DistillationLinear Attention
0 likes · 7 min read
Apple Turns Transformers into Mamba with Linear‑Cost Distillation
Machine Heart
Machine Heart
Apr 22, 2026 · Artificial Intelligence

Can LLMs Boost Reasoning Alone? Introducing SePT’s Simple Online Self‑Training

SePT (Self‑evolving Post‑Training) shows that a large language model can improve its mathematical reasoning ability by about ten percentage points using a reward‑free online self‑training loop that decouples generation temperature from standard SFT, matching or surpassing RL‑based methods without harming general performance.

LLMMathematical ReasoningOnline Learning
0 likes · 9 min read
Can LLMs Boost Reasoning Alone? Introducing SePT’s Simple Online Self‑Training
Machine Heart
Machine Heart
Apr 21, 2026 · Artificial Intelligence

ControlAudio Enables Scripted Timing and Speech Control in Text-to-Audio Generation

ControlAudio, a progressive diffusion model presented at ACL 2026, jointly models text, timing, and phoneme information to achieve precise event timing and intelligible speech in text-to-audio generation, backed by a large mixed real‑synthetic dataset and competitive experimental results.

Audio GenerationControlAudioMultimodal Learning
0 likes · 10 min read
ControlAudio Enables Scripted Timing and Speech Control in Text-to-Audio Generation
Machine Heart
Machine Heart
Apr 21, 2026 · Artificial Intelligence

ChatGPT Images 2.0 Launches, Outperforming Google’s Nano Banana – Designers Stunned

OpenAI unveiled ChatGPT Images 2.0, an advanced multimodal model that generates precise, high‑resolution visuals, supports multiple aspect ratios and languages, introduces a “thinking” mode for real‑time information retrieval, and is now available to all ChatGPT, Codex and API users, while noting limitations in complex physical modeling and ultra‑dense details.

AI image generationAPI integrationChatGPT Images
0 likes · 10 min read
ChatGPT Images 2.0 Launches, Outperforming Google’s Nano Banana – Designers Stunned