- Radar — 2023-10-08 00:18:51
… Henry Boot of Birmingham University, invented the cavity magnetron. This produced a compact source of short-wave radio waves and allowed Fighter Command to detect incoming enemy planes from a much greater distance. == Microwaves == The inventi…
- Radio — 2023-09-23 15:56:24
…io waves). == 1894 == British physicist Oliver Lodge transmitted and received "Hertzian waves" at distances up to 50 yards. == 1894 == {{Image url="MarconiRadio.jpg" title="Marconi Radio" class="right" width="25…
…0" }} **Guglielmo Marconi** began pursuing the idea of building a wireless telegraphy system based on Hertzian waves (radio). Marconi gained a patent on the system in 1896. Marconi was born in Bologna on 25 April 1874, his **Irish** mo…