清华暑校
清华暑校以及2022年那个如梦似幻的夏天
Timeline
A chronological record
Blog
Media
Lin vs. Li | 2017 All England Open Final
Lin Dan and Lee Chong Wei meet in the 2017 All England Open final.
Media
Whynot TV: Tianqi Chen
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。
Media
Lin Dan | 2017 Retirement Interview
Lin Dan reflects beyond gold medals, thanking the great rival whose pressure helped shape the champion he became.
Media
The Rise of SpaceX: Everything for Mars
A look at SpaceX's Mars-driven rise, from Falcon 1 failures to Starbase and a new space infrastructure system.
Media
SpaceX | Starship - Test Like You Fly
A SpaceX Starship video focused on flight-like testing, the development philosophy behind rapid iteration, and preparing hardware for real mission conditions.
Media
Starship | Fifth Flight Test
Starship's fifth integrated flight test, another step in SpaceX's campaign to mature the vehicle through repeated full-system launches.
Media
Starship | Fourth Flight Test
Starship's fourth integrated flight test, following SpaceX's continued iteration across launch, stage separation, entry, and recovery objectives.
Media
Starship | Second Flight Test
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.
Media
Starship | Seventh Flight Test
Starship's seventh integrated flight test, documenting the next launch in SpaceX's iterative Starship development program.
Media
Starship | Sixth Flight Test
Starship's sixth integrated flight test, extending the sequence of high-tempo development flights for the Starship and Super Heavy system.
Media
Starship | Tenth Flight Test
Starship's tenth integrated flight test, part of SpaceX's continuing sequence of Starship launch and recovery demonstrations.
Media
Starship | Third Flight Test
Starship's third integrated flight test, continuing SpaceX's rapid iteration toward orbital-class operations and reusable heavy-lift launch capability.
Media
Whynot TV: Jiayi Weng
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.
Blog
SAT-Mask: Self-Aligned Trajectory Masking for Diffusion Language Models
SAT-Mask aligns masked diffusion language model training with inference trajectories by replacing random mask states with self-aligned, confidence-guided rollout states.
Media
Starship | First Integrated Flight Test
SpaceX's first fully integrated Starship flight test, capturing the early full-stack attempt to launch the Starship and Super Heavy system together.
Media
Whynot TV: Danfei Xu
A Whynot TV conversation with Danfei Xu on robotics research, embodied intelligence, and building systems that learn from real interaction.
Project
EasyOCR
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.
Site Update
Rebuilt my website
I rebuilt my personal website and look forward to making it better and better.
Publication
Efficient Diffusion Language Model Training via Self-Aligned Trajectory Masking
In the 40th Conference on Neural Information Processing Systems, 2026