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Cave paintings are painted drawings on cave walls or ceilings, mainly of prehistoric origin. -
In recent centuries the tablets have been popularly described and depicted as round-topped rectangles but this has little basis in religious tradition. -
Rock carving is an activity where pieces of rough natural stone are shaped by the controlled removal of stone. -
Smoke signal is one of the oldest form of long distance communication. -
Ancient writers wrote on a variety of other materials besides papyrus, including pottery, animal hides, wood, and even ancient paper. -
Traditional paper is a “wood” like material primarily used for writing, first invented in ancient China. -
Printing press is a device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. -
Newspaper is a serial publication containing news about current events, other informative articles about politics, sports, arts, and so on, and advertising. -
Magazine is a publication, usually a periodical publication, which is printed or electronically published. -
Photography is the science, art, application and practice of creating durable images by recording light. -
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment -
Telegraph is the long-distance transmission of textual or symbolic messages. -
Typewriter is a mechanical or electromechanical machine for writing characters similar to those produced by printer’s movable type. -
Telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. -
Phonograph is a device for the mechanical recording and reproduction of sound. -
Radio is the technology of using radio waves to carry information, -
Television is a telecommunication medium used for transmitting moving images in monochrome (black-and-white), or in color, and in two or three dimensions and sound. -
Personal computer or PC is a multi-purpose electronic computer whose size, capabilities, and price make it feasible for individual use. -
Email also known as electronic mail is a method of exchanging messages between people using electronics. -
Mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. -
Smart phone is a mobile personal computer with a mobile operating system with features useful for mobile or handheld use. -
Social media are websites and applications that enable users to create and share content or to participate in social networking.