GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This invention allowed people to connect instantly over long distances
A
Airplane
B
That ice maker that makes the good ice ____ ya know the nugget shaped kind? Like at Sonic.
C
Electrical Power Station
D
Telephone
Explanation: 

Detailed explanation-1: -Printing remained the key format for mass messages for years afterward, but the telegraph allowed instant communication over vast distances for the first time in human history.

Detailed explanation-2: -In the 1870s two American inventors, Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Gray’s first device made use of a harmonic telegraph, the transmitter and receiver of which consisted of a set of metallic reeds tuned to different frequencies.

Detailed explanation-3: -The telephone improved on this idea by allowing people to talk directly to each other over a long distance via the telephone line. What is this? Alexander Graham Bell developed the device in 1876, and it became one of the most important inventions in modern history.

There is 1 question to complete.