Can bird poop crack a windshield? A physics prof chimes in.

The answer: “probably,” according to Professor Rhett Allain. He lays out the formulas and computations in Wired, along with his analysis of such things as (i) the size of the poop, (ii) the shape of the falling glob (spherical), (iii) the density of the poop (same as water), (iv) its terminal speed, (v) the force and pressure on the glass during the collision, and (vi) the compressive strength of laminated windshield glass. (The article is to be discussed on Car Talk, the public radio show hosted by Tom and Ray Magliozzi.)


About Guy N. Texas

Guy N. Texas is the pen name of a lawyer living in Dallas, who is now a liberal. He was once conservative, but this word has so morphed in meaning that he can no longer call himself that in good conscience. Guy has no political aspirations. He speaks only for himself.
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