Engineering

Scientists harness the wind as a tool to move objects

Researchers have developed a technique to move objects around with a jet of wind. The new approach makes it possible to manipulate objects at a distance and could be integrated into robots to give machines ethereal fingers.

Business

Q&A: What's behind the potential ban on TikTok?

On April 24, President Joe Biden signed a foreign aid package that included a security addendum—a ban of the popular China-based social media app TikTok unless its parent company is sold to an American firm within nine ...