March 26, 2004
Light transmitting concrete.
http://optics.org/articles/news/10/3/10/1
What with stuff like this, and the decreasing cost of tunneling underground, the world is going to start to look different in our lifetime.
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http://optics.org/articles/news/10/3/10/1
What with stuff like this, and the decreasing cost of tunneling underground, the world is going to start to look different in our lifetime.
http://optics.org/articles/news/10/3/10/1
What with stuff like this, and the decreasing cost of tunneling underground, the world is going to start to look different in our lifetime.
