Sam Altman rejects viral claims that ChatGPT uses gallons of water per query, but says AI’s total energy demand is a fair concern.

OpenAI is reportedly developing a $200–$300 smart speaker with a camera, built to interpret its surroundings and offer proactive, voice-first help at home.

Autonomous vehicles have made remarkable progress over the past decade, accumulating millions of miles and performing well on highways, in controlled test areas, and in select urban zones. However, ...