> Don't want your airplane to crash because you passed in square feet instead of meters per second? Airplane? Hah, think bigger: http://en.wikipedia.org/wiki/M

> Don't want your airplane to crash because you passed in square feet instead of meters per second? Airplane? Hah, think bigger: http://en.wikipedia.org/wiki/Mars_Climate_Orbiter#Cause_of_failure http://en.wikipedia.org/wiki/Mars_Climate_Orbiter#Cause_of_f...