A chronological record
A first-principles introduction to the Encoder series, framing encoders as the state interface that compresses raw observations into structured representations for prediction, generation, retrieval, and action.
Lin Dan and Lee Chong Wei meet in the 2017 All England Open final.
陈天奇谈初心、理想主义，以及 XGBoost、MXNet、TVM、MLC 背后的机器学习系统之路。
Lin Dan reflects beyond gold medals, thanking the great rival whose pressure helped shape the champion he became.
A look at SpaceX's Mars-driven rise, from Falcon 1 failures to Starbase and a new space infrastructure system.
A SpaceX Starship video focused on flight-like testing, the development philosophy behind rapid iteration, and preparing hardware for real mission conditions.
Starship's fifth integrated flight test, another step in SpaceX's campaign to mature the vehicle through repeated full-system launches.
Starship's fourth integrated flight test, following SpaceX's continued iteration across launch, stage separation, entry, and recovery objectives.
Starship's second integrated flight test, showing SpaceX's rapid iteration after the first launch and the next step toward a reusable heavy-lift launch system.
Starship's seventh integrated flight test, documenting the next launch in SpaceX's iterative Starship development program.
Starship's sixth integrated flight test, extending the sequence of high-tempo development flights for the Starship and Super Heavy system.
Starship's tenth integrated flight test, part of SpaceX's continuing sequence of Starship launch and recovery demonstrations.
Starship's third integrated flight test, continuing SpaceX's rapid iteration toward orbital-class operations and reusable heavy-lift launch capability.
A Whynot TV profile of Jiayi Weng, tracing his path from open source and tool-building to OpenAI, where his work spans reinforcement learning, post-training, infrastructure, and major model releases.
SAT-Mask aligns masked diffusion language model training with inference trajectories by replacing random mask states with self-aligned, confidence-guided rollout states.
SpaceX's first fully integrated Starship flight test, capturing the early full-stack attempt to launch the Starship and Super Heavy system together.
A Whynot TV conversation with Danfei Xu on robotics research, embodied intelligence, and building systems that learn from real interaction.
A planned OCR service for uploading PDFs and other documents, converting them into Markdown with images, layout, text, and formulas preserved for AI reading and storage.
I rebuilt my personal website and look forward to making it better and better.
In the 40th Conference on Neural Information Processing Systems, 2026