Business

Riding high on AI, Nvidia is no bubble, says Wall Street

The emergence of AI bots like OpenAI's ChatGPT and Google's Bard has fueled a massive rise in share prices of chip-making juggernaut Nvidia, with its skyrocketing stock now making it the world's fourth biggest company by ...

Energy & Green Tech

Colorful films could help buildings, cars keep their cool

The cold blast of an air conditioner can be a welcome relief as temperatures soar, but "A/C" units require large amounts of energy and can leak potent greenhouse gases. Today, scientists report an eco-friendly alternative—a ...

Energy & Green Tech

Technology turns wasted heat into power

Researchers at Yale have developed a new technology that could make energy from the low-temperature wasted heat produced by industrial sources and power plants, tapping into a widely available—and mostly unused—resource.

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