Business

Alibaba to seek primary listing in Hong Kong, adding to NYSE

Alibaba, the world's biggest e-commerce company by sales, announced plans Tuesday to change the status of its shares traded in Hong Kong, making them more accessible to Chinese investors at a time when Beijing is pressing ...

Electronics & Semiconductors

Scientists decide how to prove out perovskite panels for space power

Perovskites, which have shown enormous potential as a new semiconductor for solar cells, are gaining attention as well as a potential next-generation technology to also power spacefaring missions. As scientists around the ...

Automotive

Breakthrough in faster-than-sound jet engines

Almost 75 years ago, U.S. Air Force pilot Chuck Yeager became the first person to fly faster than the speed of sound. Engineers have been pushing the boundaries of ultrafast flight ever since, attaining speeds most of us ...

Telecom

US seeks new 5G delay to study interference with planes

US authorities have asked telecom operators AT&T and Verizon to delay for up to two weeks their already postponed rollout of 5G networks amid uncertainty about interference with vital flight safety equipment.

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