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The Daily Galaxy on MSN21h
Astronomers Discover the Universe’s Largest Structure is Bigger Than We Thought
Astronomers have just revealed that the largest known structure in the universe, theHercules–Corona Borealis Great Wall, ...
Real Engineering on MSN1d
China’s Underwater Wall: Submarine Warfare and Global Surveillance
China is constructing an ambitious underwater sensor network—dubbed the "Great Underwater Wall"—to secure its maritime territory and outmaneuver rival submarine forces. Stretching across the South ...