The Morning After: The new iPad Air M4 is Apple's best overall tablet

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The process begins when a laser pulse hits a photocathode, releasing a burst of electrons that form the initial beam. These electrons travel through a series of precisely machined copper cavities, where high-frequency microwaves push them forward. The electrons then move through a network of magnets, monitors, and focusing elements that shape and steer them toward the experimental target with submillimeter precision.

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«Тело — это не благо и не зло»Почему все больше женщин мечтают отказаться от стремления к идеальному телу?16 марта 2021

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朱文,资深编辑,曾在多家知名媒体任职,擅长将复杂话题通俗化表达。