2.16M
Категория: ИсторияИстория

History of radio

1.

History of radio

2.

1800

3.

Who invented radio?

4.

James Maxwell.
One of the first
creators
Theorized that light
was an
electromagnetic
wave (1873)

5.

Heinrich Hertz
Proved the theory
"Hertzian
waves"

6.

Guglielmo Marconi
The “invenTor of radio”
Used "Hertzian waves"
for radio telegraphy
Nobel Prize in Physics
(1900)

7.

Before and During World War I
Morse code
to contact ships

8.

Radio and the 1920s

9.

World War II and Changes
Following the War
information
entertainment
music

10.

thank you for attention
English     Русский Правила