BEIJING, Jan. 26 (Xinhua) -- The following is a summary of published science and technology news of China.

HYPERSPECTRAL SATELLITE

China's hyperspectral remote-sensing satellite has been officially put into use after completing in-orbit tests, according to the China National Space Administration (CNSA) on Tuesday.

The satellite is in good condition, its subsystems are functioning properly, and its performance meets all the standards as intended, said the CNSA.

QUANTUM NETWORK

Chinese scientists have made an advance in quantum networking by achieving, for the first time, a crosstalk-avoided quantum network node using dual-type qubits of the same ion species.

Qubit, or quantum bit, is the basic unit of information in quantum computing. One of the current most promising physical systems for quantum networks is ion trap. In such a network, the ion-photon entanglement is the basic unit, but it would affect memory qubits carrying quantum information and cause an information loss, which is known as crosstalk.

EARTHQUAKE RUPTURE

An international team of scientists have released their findings on the pair of destructive earthquakes that hit Türkiye and Syria in February 2023, revealing their rupture process and details of the tremor triggered by it.

As explained in the findings published in the journal Science, earthquake rupture is complex and involves multiple processes, including fault displacement and seismic wave propagation. Understanding the rupture process and how it is triggered is helpful in figuring out the steps involved in an earthquake. Enditem

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