China science, technology news summary — Jan. 4 – Big News Network

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BEIJING, Jan. 4 (Xinhua) — The following is a summary of published science and technology news of China.

QUANTUM MEMORY

Chinese scientists have developed an integrated quantum memory with on-demand retrieval capability, a significant step toward building quantum networks.

A research team with the University of Science and Technology of China said they realized the on-demand storage of time-bin qubits in an on-chip waveguide memory, utilizing the Stark-modulated atomic frequency comb protocol.

MARS PROBE

China’s Mars probe Tianwen-1 has traveled more than 400 million km by Sunday morning and is expected to enter Mars orbit next month.

After entering the Mars orbit, it will spend two to three months surveying potential landing sites, using a high-resolution camera to prepare for the landing in May.

DIGITAL PROTECTION OF CLIFF CARVINGS

China’s Ningxia Hui Autonomous Region has adopted digital technology to preserve ancient cliff carvings and paintings on the brink of disappearance.

Protection workers have scanned more than 2,000 immovable rock carvings and paintings at Helan Mountain to digitalize the panoramas as well as their accurate locations.

BIRD SURVEY

China’s Hainan Island is set to launch a survey of waterbirds wintering across the island.

The survey, to run from Jan. 15 to 17, will cover 50 coastal habitats of waterbirds to better understand their species, numbers and distribution.

With many wetlands, the tropical island is an important wintering destination for waterbirds migrating along the East Asia-Australasia route.

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