Rapido Trains Inc. has released an updated version of its highly detailed HO scale model of United Aircraft’s TurboTrain. The firm is calling this release TurboTrain 2.0. Much like the real high-speed ...

OpenAI has unveiled GPT-5, a new AI system that builds on the reasoning advances of the o1 and o3 models and unifies every previous model line into a single adaptive architecture.

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