So that's why steam locomotives puff out the smokestack:

http://en.wikipedia.org/wiki/Blastpipe

who knew!

Friday's NY Times Critics' Picks

Hiding From Trouble, Found by Innocents
‘Mud’ Stars Matthew McConaughey and Reese Witherspoon
NYT Critics' Pick

Young Love, the Unrequited Type
‘An Oversimplification of Her Beauty,’ by Terence Nance
NYT Critics' Pick

A Heartland Without Soul
‘At Any Price,’ Directed by Ramin Bahrani
NYT Critics' Pick

A Land of Hope and Dreams, Dashed
‘Graceland,’ a Manila-Set Thriller by Ron Morales
NYT Critics' Pick