Boc Submarino Isaac Peral B1M1On the 125th Anniversary of the launching of the Peral submarine, a stamp will be put into circulation which reproduces the portrait of Isaac Peral, inventor of the submarine that appears beside him. Isaac Peral y Caballero (Cartagena, 1851 – Berlin, 1895) features in the pages of history as a renowned scientist, soldier, and sailor of the Spanish Armada who invented the first electric propulsion submarine. Following family tradition, he joined the Armada very young, where he received technical training.

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wfp0398 - Thomas EdisonOn this day in 1931, Thomas Edison submitted his last patent, a patent for a device with which you can hold an article to be electroplated.

The first great invention developed by Edison in Menlo Park was the tin foil phonograph. While working to improve the efficiency of a telegraph transmitter, he noted that the tape of the machine gave off a noise resembling spoken words when played at a high speed. This caused him to wonder if he could record a telephone message.

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Stamp-Japan-Constellations-IVOn the 4th of December 2013 Japan Post launched the fourth issue of Constellation series, which aims to promote both fields of letter culture and natural science. The stamps depict ten signs of constellation often seen in winter: Aries, Taurus, Gemini, Orion, Auriga, Canis Major, Procyon, Lepus, Monoceros and Tsuzumiboshi ( Orion).

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