How can one measure the molecular vibrations of a body?

Subject: How can one measure the molecular vibrations of a body?

Date: Thu Sep 20 21:28:24 2001
Posted by Gabriel
Grade level: grad (science) School: No school entered.
City: Para de Minas State/Province: No state entered. Country: Brazil
Area of science: Physics
ID: 1001035704.Ph

Message:


How can one measure the molecular vibrations of a body?
Is it using the electromagnetic radiation?If this is the way,how would one 
measure the frequency of electromagnetic waves,how would measure something so 
fast in a terahertz or more?Molecular vibrations are in terahertz,aren't these 
molecules(it's so fast)  supposed to produce so much heat,that the matter would 
simply melt?

Re: How can one measure the molecular vibrations of a body?

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