![CRYPTOGRAPHY Lecture 7. The Radio 1894 Marconi experimented with electrical circuits and developed a wireless system: the radio (up to 2.5km) 1896 he. - ppt download CRYPTOGRAPHY Lecture 7. The Radio 1894 Marconi experimented with electrical circuits and developed a wireless system: the radio (up to 2.5km) 1896 he. - ppt download](https://images.slideplayer.com/17/5366596/slides/slide_2.jpg)
CRYPTOGRAPHY Lecture 7. The Radio 1894 Marconi experimented with electrical circuits and developed a wireless system: the radio (up to 2.5km) 1896 he. - ppt download
![Replica of Marconi's first transmitter used in his early experiments in Italy, 1894. Artist: Unknown Stock Photo - Alamy Replica of Marconi's first transmitter used in his early experiments in Italy, 1894. Artist: Unknown Stock Photo - Alamy](https://c8.alamy.com/comp/AJA1K6/replica-of-marconis-first-transmitter-used-in-his-early-experiments-AJA1K6.jpg)
Replica of Marconi's first transmitter used in his early experiments in Italy, 1894. Artist: Unknown Stock Photo - Alamy
![Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of](https://c8.alamy.com/comp/MR3D94/illustration-depicting-heinrich-hertzs-oscillator-and-reflecting-metal-sheets-to-show-outward-and-return-paths-of-electromagnetic-radio-waves-heinrich-hertz-1857-1894-a-german-physicist-who-first-conclusively-proved-the-existence-of-the-electromagnetic-waves-theorised-by-james-clerk-maxwells-electromagnetic-theory-of-light-dated-20th-century-MR3D94.jpg)
Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of
![General layout of the experiments of Heinrich Hertz (1857-1894) on electric waves - in “Physique populaire” by Emile Desbeaux, Flammarion General layout of the experiments of Heinrich Hertz (1857-1894) on electric waves - in “Physique populaire” by Emile Desbeaux, Flammarion](https://www.meisterdrucke.ie/kunstwerke/500px/Unknown_Artist_-_General_layout_of_the_experiments_of_Heinrich_Hertz_(1857-1894)_on_electric_wave_-_(MeisterDrucke-974275).jpg)
General layout of the experiments of Heinrich Hertz (1857-1894) on electric waves - in “Physique populaire” by Emile Desbeaux, Flammarion
![Image of FIRST RADIO TRANSMITTER.Invented By The Italian Electrical Engineer Guglielmo Marconi In 1894. From Granger - Historical Picture Archive Image of FIRST RADIO TRANSMITTER.Invented By The Italian Electrical Engineer Guglielmo Marconi In 1894. From Granger - Historical Picture Archive](https://www.granger.com/wmpix/tec/inv/0014863-FIRST-RADIO-TRANSMITTERInvented-by-the-Italian-electrical-engineer-Guglielmo-Marconi-in-1894.jpg)
Image of FIRST RADIO TRANSMITTER.Invented By The Italian Electrical Engineer Guglielmo Marconi In 1894. From Granger - Historical Picture Archive
![Airtel Life on X: "#OnThisDay in 1894, “Wireless” was born when Guglielmo Marconi sends a radio wave three-quarters of a mile.😊 https://t.co/oDXQq1MRDu" / X Airtel Life on X: "#OnThisDay in 1894, “Wireless” was born when Guglielmo Marconi sends a radio wave three-quarters of a mile.😊 https://t.co/oDXQq1MRDu" / X](https://pbs.twimg.com/media/DczVUC3WkAIKo9i.jpg:large)