Why China is building a Starlink system of its own
When it is finished, Qianfan could number 14,000 satellites, rivalling Elon Musk’s system

Editor’s note: On December 16th GuoWang, a satellite constellation backed by China’s central government, launched its first batch of ten satellites. It would be the country’s second competitor for Starlink.
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This article appeared in the Science & technology section of the print edition under the headline “A thousand sails”

From the December 14th 2024 edition
Discover stories from this section and more in the list of contents
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An interstellar object is cruising through the solar system
Its appearance puts a new branch of astronomy to the test

RFK junior wants to ban an ingredient in vaccines. Is he right?
Studies show that thimerosal does more good than harm

AI is helping to design proteins from scratch
They could treat diseases, test drugs and boost crop yields
A new project aims to synthesise a human chromosome
The tools developed along the way could revolutionise medicine
How sea slugs give themselves superpowers
Their slimy shenanigans might have applications for humans, too
Is being bilingual good for your brain?
Perhaps. Learning languages offers other, more concrete benefits