Vorschaubild ID des Anhangs Titel Angezeigt unter Bildquelle
17984 wir-lernen-hier_pic-2
17983 wir-lernen-hier_pic
17962 audiostreams-pic
17958 raudive-livestreams
17953 autumn-leaves-hands https://www.freepik.com/
17948 Raudive Diode https://blog.novaeletronica.com.br/diodo-de-raudive/
17934 Sound Engineering https://freepik.com
17932 frequenzwellen https://freepik.com
17931 Testaufbau https://freepik.com
17929 Testelektronik https://freepik.com
17922 offline Max
17916 diode raudive https://1010.co.uk/org/detection.html
17914 raudive konstantin https://www.literatura.lv/personas/konstantins-raudive
17913 diode-maschine Max
17906 https://commons.wikimedia.org/wiki/File:Old_coherer_radio_receiver_using_an_electrostatic_machine_as_transmitter.jpg
17905 Scientific Identity, Portrait of Guglielmo Marconi https://commons.wikimedia.org/wiki/File:Guglielmo_Marconi_posing.jpg
17903 By Archie Frederick Collins - Retrieved January 26, 2018 from Archie Frederick Collins "The effect of electric waves on the human brain", in Electrical World and Engineer magazine, Vol. 39, No. 8, February 22, 1902, p. 338, fig. 7 on Google Books, Public Domain, https://commons.wikimedia.org/w/index.php?curid=65872202
17888 seid_dankbar-c_splash https://www.bing.com/creator
17887 seid_dankbar-c https://www.bing.com/creator
17885 seid_dankbar-b https://www.bing.com/creator
17881 zufrieden https://www.bing.com/creator
17879 seid_dankbar https://www.bing.com/creator
17861 aura-antennen https://www.bing.com/creator
17821 ki-gesichter https://www.bing.com/creator
17819 ki-Gesichtserkennung https://www.bing.com/creator