SOCA02H3 Lecture : Thursday 2-5 notes
Document Summary
* midterm feb 12, 9 11 am. Material culture is technology, which comes from science. Technology is the use of scientific ideas to create new things. Communications technology is another aspect of material culture. Movement of information is connected to the movement of people. marathon runners were used as information carriers in ancient greece. 1830, invention of telegraph, carried information, morse code. radio moved information by radio waves, called wireless. ships were used to carry cables that laid wires in ocean, made radio communication travel farther. Telephone made it faster, and global communication possible. nikola tesla, made electrical radio waves, long distance transmission. he also made fm radio, he got cheated out of patent. marconi sent radio wave from cornwell to newfoundland in 1912. Tv was once restricted by the strength of signal. Wire used were called fibre optics that can transmit at light speed.
