Are there materials which allow light to pass in only one direction?

Subject: Are there materials which allow light to pass in only one direction?

Date: Wed Mar 31 07:51:16 2004
Posted by Charles Mansfield-Osborne
Grade level: nonaligned School: none
City: brighton State/Province: No state entered. Country: uk
Area of science: Physics
ID: 1080741076.Ph

Message:


I have an idea which I want to patent for use as an energy source and am 
interested in available materials to help make it a reality!

Re: Are there materials which allow light to pass in only one direction?

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