Is there any form of matter that 'light' can not travel through?

Subject: Is there any form of matter that 'light' can not travel through?

Date: Tue Apr 19 20:50:00 2005
Posted by Justin
Grade level: 10-12 School: W.T.Woodson High School
City: Fairfax State/Province: Virginia Country: USA
Area of science: Physics
ID: 1113961800.Ph

Message:


Is there any form of matter that the full spectrum of "light" can not pass 
through?  The matter would block every form: radio, IR, xray, Ultraviolet 
etc....   I am asking because me physics teacher could not think of any forms 
off the top of her head, but she suggested that a form of metal would possibly 
block all light.

Re: Is there any form of matter that 'light' can not travel through?

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