please include a source
2007-03-09 04:42:59 · 5 answers · asked by yucare 2 in Science & Mathematics ➔ Physics
Sonar was fielded in WWI, radar was fielded in WWII, so it was "discovered" about 30 years prior to radar.
2007-03-09 04:45:46 · answer #1 · answered by Anonymous · 1⤊ 0⤋
Sonar came first.
http://en.wikipedia.org/wiki/Radar#History
http://en.wikipedia.org/wiki/Sonar#History_of_sonar
2007-03-09 04:46:51 · answer #2 · answered by Brian L 7 · 2⤊ 0⤋
Sonar came first. at least that is what i read off of this website
2007-03-09 04:51:42 · answer #3 · answered by HOTTIE 2 · 0⤊ 0⤋
I have two web pages you can investigate, because it's like the egg & hen thing to figure out which came first :
http://www.regiamarina.it/radarsonar.htm
http://groups.msn.com/fessenden/fessendende142.msnw
2007-03-09 05:04:22 · answer #4 · answered by The Count 7 · 0⤊ 0⤋
every time i post a question, even if it is the easiest one, they cannot provide me a proper informed answer on this website. wtf happened to people who really make the effort to answer?
2016-08-23 20:46:08 · answer #5 · answered by Anonymous · 0⤊ 0⤋