Why is this the universal representation of a factory?
March 17, 2005 6:59 AM Subscribe
Why does the universal representation of a factory include a series of right triangles on the roof? (warning, .gifs inside)
posted by schoolgirl report to Grab Bag (18 answers total)
I thought perhaps they were designed to increase the surface area of the roof and let in more light. But wouldn't light only get in when the sun was at a certain angle?