Fiber-optic Concrete Wall
Another way to make a secure structural concrete wall translucent is to embed optical fiber cables in it. Daylight (and shadow images) can then pass directly through a thick solid-concrete wall.
Read more about this topic: Daylighting
Famous quotes containing the words concrete and/or wall:
“Total loyalty is possible only when fidelity is emptied of all concrete content, from which changes of mind might naturally arise.”
—Hannah Arendt (1906–1975)
“I discovered
the colors in the wall that woke
when spray from the hose
played on its pocks and warts....”
—Denise Levertov (b. 1923)