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Electric fan
The electric fan was one of the most important electric inventions of all time. The fan is a building block of other more advanced technologies. Fans are necessary in computers, lasers, large LED lights, petrol and electric automobiles, the space station and countless other things. The fan as used in HVAC systems allows humans to build giant or underground buildings. It would be hard to imagine a world without the electric fan! -
Newspaper
a printed publication (usually issued daily or weekly) consisting of folded unstapled sheets and containing news, feature articles, advertisements, and correspondence. -
Radio
the transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages. -
Television
Definition of television 1 : an electronic system of transmitting transient images of fixed or moving objects together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound. -
Facebook
Facebook is defined as an online social networking website where people can create profiles, share information such as photos and quotes about themselves, and respond or link to the information posted by others. -
Telephone
a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
"a telephone call" -
Computer
an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.