A 3D-printed train station, assembled in just a few hours, could be one solution to Japan’s worker shortages, driven in part by the country’s population decline.

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ChatGPT vs. Grok vs. Gemini: Which AI chatbot should you use in 2025?
AI assistants from companies like OpenAI, Google, and Anthropic are getting super-smart super fast. New models, agentic features, and new tools now drop on a