In the swiftly evolving world of technology, wearable gadgets are stepping forward to offer blind users a novel way to perceive their surroundings. Through the use of sonar feedback, visually impaired ...

In tweaking its chatbot to appeal to more people, OpenAI made it riskier for some of them. Now the company has made its chatbot safer. Will that undermine its quest for growth? Credit...Julia Dufosse ...