Abstract: Bearing is the key part of mechanical equipment, which can support the rotating machinery running. It is crucial to diagnose bearing faults in time to ensure mechanical equipment working ...

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SpaceX has transformed the space industry, but its rockets have also developed a reputation for dramatic test failures and mid-flight explosions. The company argues these setbacks are part of an ...

The United States was already on an unsustainable fiscal trajectory, adding to the national debt at breakneck speed, before it launched a joint attack on Iran with Israel. Even before the first ...

Released into the wild decades ago, Florida’s giant pythons have multiplied into an unstoppable force, devouring native wildlife and collapsing fragile ecosystems. Republicans balk at going it alone ...