Technology

Radio, The first radio receiver successfully received a radio transmission.

1901

The first radio receiver successfully received a radio transmission.

James Mackenzie, The lie detector/polygraph machine was invented.

1902

The lie detector/polygraph machine was invented.

Lewis Nixon, Invention of first sonar-like device.

1906

Invention of first sonar-like device.

Thomas Edison, Demonstrated the first talking motion picture.

1910

Demonstrated the first talking motion picture.

Movies, Motorized movie camera were invented to replace the hand-cranked cameras.

1912

Motorized movie camera were invented to replace the hand-cranked cameras.