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Thousands of 'city-killer' asteroids lurk as NASA struggles to find them
NASA has found fewer than a third of the near-Earth asteroids large enough to destroy a city, and the agency’s best tool for ...
The Bergara B-14 Squared Cima CF design and weight split the difference between traditional hunting rifles and ultralight ...
This article presents a method for developing elastic nanoarchitected metamaterials with tunable optical responses.
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