A researcher plants a semiconductor on an interface board at Tsinghua Unigroup’s research centre in Beijing. Photo: Reuters
A researcher plants a semiconductor on an interface board at Tsinghua Unigroup’s research centre in Beijing. Photo: Reuters

Letters | US tech sanctions on China are a failure to learn from history

  • Readers discuss past and present US embargoes and Cathay Pacific workers’ industrial action

A researcher plants a semiconductor on an interface board at Tsinghua Unigroup’s research centre in Beijing. Photo: Reuters
A researcher plants a semiconductor on an interface board at Tsinghua Unigroup’s research centre in Beijing. Photo: Reuters
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