Business

Musk subpoenas Twitter whistleblower in buyout battle

Elon Musk has formally subpoenaed a Twitter whistleblower to share information about spam accounts at the social network, as the billionaire fights in court to back out of a massive buyout deal.

Engineering

Korean technology lays the foundation for air quality improvement

A newly developed technology has made it possible to measure fine particle levels in challenging conditions, breaking Korea's reliance on international technologies for such measurements. This preprocessing technology enables ...

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