Newton’s three-body problem explained - Fabio Pacucci
https://ed.ted.com/lessons/newton-s-three-body-problem-explained-fabio-pacucci
A 5-and-a-half-minute TED-Ed animated video about the three-body (or n-body) problem, including multiple-choice questions, guided discussion, and a "Dig Deeper" further reading (including references to Liu Cixin's The Three-Body Problem).
“To Reach the Pure Realm of the Imaginary:” A Conversation with Cixin Liu
https://www.publicbooks.org/to-reach-the-pure-realm-of-the-imaginary-a-conversation-with-cixin-liu/
John Plotz and Pu Wang's conversation with Liu Cixin, in which they discuss numerous influences, philosophy, technology and science's relationship, translation, science fiction as a genre (or ke huan), and his vision for the future.
Ken Liu's website
The translator of The Three-Body Problem, Ken Liu, is a Hugo, Nebula, and World Fantasy award-winning writer and translator. Ken Liu's books, stories, and reviews are excellent choices for those looking to expand their science fiction reading or explore the genre "silkpunk," which Liu describes as "a technology aesthetic based on a science fictional elaboration of traditions of engineering in East Asia’s classical antiquity."