Historical Review (2/3) Wireless Communications 1820:magnetic field from electric current by Oersted; ■ 1831:electric field from a changing magnetic field by Faraday ■ 1864:prediction of electromagnetic radiation by Maxwell 1887:verification of Maxwell' It 895:novuselekstsoevegraphythis is proS的M格fiPi啕w3!五限right 1901:trans-atlantic communication of“S”from Cornwall in England to Newfoundland in Canada by Marconi,who won Nobel Guglielmo Marconi Prize for Physics in 1909 (1874-1937) Meixia Tao SJTU 16Meixia Tao @ SJTU Historical Review (2/3) q Wireless Communications n 1820: magnetic field from electric current by Oersted; n 1831: electric field from a changing magnetic field by Faraday n 1864: prediction of electromagnetic radiation by Maxwell n 1887: verification of Maxwell’s theory by Hertz "It' s of no use whatsoever ... this is just an experiment that proves Maestro Maxwell was right ” 16 n 1895: wireless telegraphy by Marconi at 3.2 km n 1901: trans-atlantic communication of “S” from Cornwall in England to Newfoundland in Canada by Marconi, who won Nobel Prize for Physics in 1909 Guglielmo Marconi (1874-1937)