by anderscolingustafson » Wed Feb 23, 2011 8:22 pm
I was just thinking what if there were a kind of wall that an object going one way could not pass through as the wall would be as solid as any ordinary wall but going the other way an object could pass through the wall as if it didn't exist just as some kinds of materials can form one way mirrors were going one way light can easily pass through but the other way light is unable to pass through? I wander though how a one way wall might work and what kind of bizarre material it would need to be made of so that objects on one side of it could pass through it but on the other side could not pass through the wall.
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