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An optical clock sets a record, edging us toward a new second

Physicists are quietly rewriting one of the most basic units in science, using a new generation of optical clocks that can ...

ChatGPT cannot tell time; here's what it says when asked 'what is the time right now'

While advanced AI like ChatGPT and Claude struggle to provide real-time information, including the current time, other chatbots like Gemini and Copilot can. Experts explain this limitation stems from ...