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electric motor

Invention of gears smaller than a hair, powered by light

Invention of gears smaller than a hair, powered by light

tuoitre-vnBáo Tuổi Trẻ
23/09/2025
With good policies, people will use electric cars.

With good policies, people will use electric cars.

tuoitre-vnBáo Tuổi Trẻ
05/11/2024