Narrow Escape
The Narrow escape problem is a ubiquitous problem in biology, biophysics and cellular biology which has the following formulation: a Brownian particle (ion, molecule, or protein) is confined to a bounded domain (a compartment or a cell) by a reflecting boundary, except for a small window through which it can escape. The narrow escape problem is that of calculating the mean escape time. This time diverges as the window shrinks, thus rendering the calculation a singular perturbation problem.
Read more about this topic: Brownian Motion
Famous quotes containing the words narrow escape, narrow and/or escape:
“Anyone who has passed though the regular gradations of a classical education, and is not made a fool by it, may consider himself as having had a very narrow escape.”
—William Hazlitt (1778–1830)
““There’s not a man or woman
Born under the skies
Dare match in learning with us two,
And all day long we have found
There’s not a thing but love can make
The world a narrow pound.””
—William Butler Yeats (1865–1939)
“But the power of destiny is something awesome; neither wealth, nor Ares, nor a tower, nor dark-hulled ships might escape it.”
—Sophocles (497–406/5 B.C.)