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| | Adventures in CyberSound: Poulsen, Valdemar |
 | | Valdemar Poulsen, Danish scientist, (b: November 23, 1869 d: August 6, 1942 Copenhagen, Denmark), the son of a judge in the highest court of Denmark, harnessed the electric arc to wireless to extend its range. |
 | | was invented by the Danish engineer Valdemar Poulsen in 1902 as a modification of William Du Bois Duddell's 'singing arc' of 1900. |
 | | The tikker method, although one of the most sensitive means known for detecting electrical oscillations, labours under the disadvantage that it is not able to receive signals from the ordinary spark transmitters which give out damped and discontinuous oscillations. |
| www.acmi.net.au /AIC/POULSEN_BIO.html (2713 words) |
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