You haven't reached this yet

This first turns up in Book 2. Come back when you get there.

tech

non-media radiation drive

First appears in Book 2: The Dark Forest, chapter 5 (Year 12, Crisis Era)

Appearances

B1

B2

B3

What you know

Book 2: The Dark Forest

Ch 5Zhang Beihai wants it to become mainstream in spacecraft research; the Three Body side thinks radiation drive is an unsurpassable but fruitless peak under sophon lockdown.

An unofficial, spoiler-aware fan guide to Remembrance of Earth's Past by Cixin Liu. Nothing past your reading progress is shown. Book details and covers from Open Library.

Ask about the books

Answers only use what you've read so far. They come from an AI and can be wrong.

Sign in to chat

How far have you read?

This guide hides everything after the chapter you pick, so it's safe to explore. You can change it any time from the top of the page.