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From 18th century automatons that could write a full letter to the player pianos featured in every saloon, mechanical inventions have fascinated us for centuries. Yet the smallest pieces can ...

Who Was Abraham Jakub Stern? Abraham Jakub Stern (alternatively spelled Avraham Ya’akov Shtern) was a mathematician, ...

In those countries it is not thonght beneath the dignity of the most elevated in station to devote their minds to the advancement of science and mechanical inventions in all their details ...