Tornadoes are vertical funnels of rapidly spinning air. Their winds may top 250 miles an hour and can clear a pathway a mile wide and 50 miles long. Twisters are born in thunderstorms and are often ...

Abstract: Air formation is a common style of air combat, which demonstrates a high degree of flexibility and strategic value in complex battlefield environments. The activity state of air formation is ...

Abstract: The liquid metal bridge generated at the microspot of the contact has a crucial role in the formation of the arc, which provides the initial energy distribution for the ignition of the arc ...

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