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> [VIDEO] Chladni Plate

AlexV
post 1 Jun 2007, 22:21
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ady85btz
post 1 Jun 2007, 23:46
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ohmy.gif marfa rau...oare ce.o avea pe tavita aia? nisip? unsure.gif


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AlexV
post 2 Jun 2007, 09:13
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orice pulbere. nisip, sare ....


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cata87
post 2 Jun 2007, 09:48
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ohmy.gif superb...dar totusi e efectul sunetelor sau ceva magnetizare a placii ?

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AlexV
post 2 Jun 2007, 10:05
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Efectul Chladni.

In secolul al XVIII-lea, fizicianul german Ernst Chladni a dovedit existenta modelelor pe care le pot crea undele sonore prin folosirea unui arcus de vioara, pentru a provoca vibratia la nivelul unor placi metalice peste care era asternut un strat de nisip. El a aratat ca energia sonora a determinat orientarea granulelor de nisip dupa anumite modele. Acestea depindeau de inaltimea undei, desi dimensiunile si grosimea placii precum si dimensiunile granulelor de nisip influentau si ele tipul modelului final.


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M i h a i
post 2 Jun 2007, 16:09
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173.gif 173.gif frumos....interesant..

This post has been edited by MHY: 2 Jun 2007, 16:10


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