Electromagnetic Waves
Resources
- armstrong
- Armstrong Memorial Research Foundation. Dedicated to disseminating knowledge of Armstrong's research and achievements through lectures, awards to electrical engineering students as well as research scientists in the field of communications, and awards to AM and FM stations for excellence and originality in radio broadcasting.
- E.H. Armstrong Website. Mike Katzdorn. The purpose of this site is to present a collection of interesting Armstrong documents and artifacts.
- Major Edwin Howard Armstrong: The Inventor of FM. Chris Tsakis. Lowest Common Denominator. No. 16 (May 1994). LCD was a semiannual magazine centered around the program schedule for the free form, listener sponsored radio station WFMU.
- columbia university
- Edwin Howard Armstrong. C250 Celebrates (2004).
- Edwin Armstrong: Pioneer of the Airwaves.Yannis Tsividis. Columbia Magazine (Spring 2002).
- patents
- Method of receiving high-frequency oscillations (superheterodyne receiver). Edwin H. Armstrong. US Patent 1,342,885 (1920).
- Means and method for relaying frequency modulated signals (FM radio). Edwin H. Armstrong. US Patent 2,264,608 (1941).
- fessenden
- marconi
- Aeroporto Guglielmo Marconi di Bologna
- Associazione Guglielmo Marconi, Bologna, Italia
- Comitato Guglielmo Marconi International, Bologna, Italia
- Fondazione Guglielmo Marconi
- Marconi Corporation, UK
- MarconiCalling (The life, science and achievements of Guglielmo Marconi)
- Nobel Prize in Physics 1909: Guglielmo Marconi and Karl Ferdinand Braun, Nobel Foundation
- US Marconi Museum of Radio Communications
- maxwell
- A Dynamical Theory of the Electromagnetic Field. James Clerk Maxwell. Philosophical Transactions of the Royal Society. Vol. 155 (1865): 459–512.
- On physical lines of force. James Clerk Maxwell. Philosophical Magazine Series 4. Vol. 23 No. 151 (1861): 11–23.
- Video on demand
- The Mechanical Universe and Beyond (1985)
- Maxwell's Equations. Maxwell discovers that displacement current produces electromagnetic waves or light.
- The Mechanical Universe and Beyond (1985)