Home > Alexander Popov (physicist)

Born in the village Turinskiye Rudniki (now Krasnoturinsk , Sverdlovsk Oblast) in the Ural mountains as the son of a priest, he became interested in natural sciences early in his youth. His father ensured that Alexander received a good education at the seminary at Perm, and later studying physics at the St. Petersburg university. After graduation in 1882 he started to work as a laboratory assistant at the university. However due to the bad funding of the university he changed to a teaching job at the Russian Navy's Torpedo School in Kronstadt on Kotlin Island.

Beginning in the early 1890s he continued the experiments of Heinrich Hertz. In 1894Events January 8 A fire at the World's Columbian Exposition in Chicago causes a good deal of damage. January 9 New England Telephone and Telegraph installs the first battery-operated telephone switchboard ( Lexington, Massachusetts). February 15 04:51 GMT he built his first radio receiver, the cohererA coherer (or, sometimes, receiver is an early form of detector in wireless telegraphy. It is a basic electromagnetic wave detector for various wavelengths. It has a circuit that obtains signals from modulated radio waves. The coherer decodes the signals.. Further refined as a lightningFor alternate meanings, see Lightning (disambiguation). Lightning is a powerful natural electrostatic discharge produced during a thunderstorm. Lightning's abrupt electric discharge is accompanied by the emission of light. The electricity passing through detector, he presented it to the Russian Physical and Chemical Society on May 7May 7 is the 127th day of the year in the Gregorian Calendar (128th in leap years). There are 238 days remaining. Events 558 In Constantinople, the dome of the Hagia Sophia collapses. Justinian immediately orders the dome rebuilt. 1274 In France the Secon, 1895Events January events January 5 Dreyfus Affair: French officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island. February events February 14 First showing of Oscar Wilde's last play The Importance of Being Earnes — the day was later celebrated by the Soviet Union as "Radio Day".

In 1901Events January 1 World celebrates what is regarded as the start of the new century. Zero-ists' argument that new century should be celebrated in 1900 rejected worldwide). January 1 The six colonies that make up Australia are federated as under an act of t Alexander Popov was appointed as professor at the Electrotechnical Institute of the University St. Petersburg . In 1905 he was elected as the director of the institute. At the end of the year he became seriously ill, being very uneasy about the suppression of a beginning student movement . He died on December 31 ( January 13January 13 is the 13th day of the year in the Gregorian calendar. It is still celebrated as New Year's Eve by those on the Julian calendar. There are 352 days remaining (353 in a leap year). Events 888 Odo, Count of Paris becomes King of the Franks. 1847 in Gregorian calendar) of brain hemorrhage.