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Vor 9 Stunden · See how an autonomous robot created a shock-absorbing shape no human ever could — and what it means for designing safer helmets, packaging, car bumpers, and more. More details
Vor 9 Stunden · African-American history started with the arrival of Africans to North America in the 16th and 17th centuries. Former Spanish slaves who had been freed by Francis Drake arrived aboard the Golden Hind at New Albion in California in 1579. [1] The European colonization of the Americas, and the resulting Atlantic slave trade, led to a large-scale ...
