New: inventores

depot (46)in inventores • 4 years ago
a magnificent piece of engineering
It was built by a Swiss watchmaker, Pierre Jacquet-Droz, when he was about fifty years old, 255 years ago
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itsnat (50)in cultura • 8 years ago
Hoy es "El día internacional del inventor"
El 9 de noviembre se celebra todos los años el Día Internacional del Inventor. La fecha coincide con el nacimiento de la ingeniera e inventora Hedy Lamarr, 9 de noviembre de 1914. El origen de este…
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a magnificent piece of engineering