The Daguerreotype photography process was announced by the French Academy of Sciences on 9th January 1839. The process had been developed by Louis Daguerre, one of the fathers of photography.
Later that year, the French government declared that Daguerreotype process would be a gift “free to the world”.
Sony, the Japan electronics giant, was the first company to make transistor radios with all components being made in-house. The TR-55 had 5 transistors and printed circuit boards. [more...]