I traveled to Roblox's headquarters to do a demo of a new safety feature it says will help protect child users.

On a typical day, you experience numerous fleeting exchanges with people you don’t know, often without a word: a quick smile of acknowledgement as someone holds the door, a moment of eye contact to ...

Abstract: We consider retrieving a specific temporal segment, or moment, from a video given a natural language text description. Methods designed to retrieve whole video clips with natural language ...