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Asteroid Mining: Science Fiction or Future Source of Raw Materials?
Current estimates suggest that there are between 700,000 and 1,700,000 asteroids with a diameter of at least 1 kilometer. The ...
El Mundo on MSN27m
A sinkhole of almost 30 square meters and six meters deep appears on Madrid: affecting all four lanes and reaching the houses
Traffic has been cut off; in addition, a large diameter water pipe and other buried Gas Natural pipes have been affected. The ...