Robotics, research taste, and long-horizon AI systems.
Whynot TV: Danfei Xu
A Whynot TV conversation with Danfei Xu on robotics research, embodied intelligence, and building systems that learn from real interaction.
Media
Selected YouTube videos, podcasts, and space content, kept as a compact shelf.
The first integrated Starship launch attempt.
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.
OpenAI, post-training, infra, and open-source values.
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.
A sharper second Starship test flight milestone.
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.
A third Starship test flight milestone.
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.
A fourth Starship test flight milestone.
Starship | Fourth Flight Test
Starship's fourth integrated flight test, following SpaceX's continued iteration across launch, stage separation, entry, and recovery objectives.
A fifth Starship test flight milestone.
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.
A sixth Starship test flight milestone.
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.
A seventh Starship test flight milestone.
Starship | Seventh Flight Test
Starship's seventh integrated flight test, documenting the next launch in SpaceX's iterative Starship development program.
A tenth Starship test flight milestone.
Starship | Tenth Flight Test
Starship's tenth integrated flight test, part of SpaceX's continuing sequence of Starship launch and recovery demonstrations.
Starship testing philosophy and development cadence.
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.
Badminton, rivalry, and the meaning beyond gold medals.
Lin Dan | 2017 Retirement Interview
Lin Dan reflects beyond gold medals, thanking the great rival whose pressure helped shape the champion he became.
Mars, Starbase, reusable rockets, and SpaceX's infrastructure ambition.
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.
Machine learning systems, open source, and long-term idealism.
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。
Badminton classic, All England final, Lin Dan vs. Lee Chong Wei.
Lin vs. Li | 2017 All England Open Final
Lin Dan and Lee Chong Wei meet in the 2017 All England Open final.