public:my_visit_to_south_foreland_lighthouse
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public:my_visit_to_south_foreland_lighthouse [2019/08/10 18:32] – created fangfufu | public:my_visit_to_south_foreland_lighthouse [2019/08/10 18:39] – fangfufu | ||
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The first international radiotelegraph transmission was conducted by Marconi and his assistant on 27-Mar-1899, | The first international radiotelegraph transmission was conducted by Marconi and his assistant on 27-Mar-1899, | ||
- | The first message radio message sent internationally was “Greetings from France to England through the ether.” The tour guide mentioned that these days people do not use the word “ether” any more, people prefer the word “airwave”. I believe the word “ether” might have deeper meaning. Michelson-Morley Experiment was performed in 1887. Special Relativity was formulated by Einstein in 1905. Therefore, it might be plausible that Marconi believed light travelled through aether. | + | The first message radio message sent internationally was “Greetings from France to England through the ether.” |
Receiving mobile phone signal from France | Receiving mobile phone signal from France |
public/my_visit_to_south_foreland_lighthouse.txt · Last modified: 2019/08/10 19:50 by fangfufu