Business

US senators call for close look at TikTok

Leaders of the US Senate Intelligence Committee on Tuesday called for an investigation into whether Chinese officials are getting access to data about US users of video-snippet sharing sensation TikTok.

Business

Musk threatens to walk away from Twitter deal

Elon Musk is threatening to walk away from his $44 billion bid to buy Twitter, accusing the company of refusing to give him information about its spam bot and fake accounts.

Business

DJI halts Russia, Ukraine business to prevent drone misuse

Drone company DJI Technology Co has temporarily suspended business activities in Russia and Ukraine to prevent use of its drones in combat, in a rare case of a Chinese company pulling out of Russia because of the war.

Engineering

Solar cell keeps working long after sun sets

About 750 million people in the world do not have access to electricity at night. Solar cells provide power during the day, but saving energy for later use requires substantial battery storage.

Automotive

California warns of possible oversight of Tesla tests

California has informed Tesla it is considering stricter regulation of the electric carmaker's driving assistance tools currently being tested on public roads, following videos posted online of disturbing episodes.

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