Peper estimated the likely impact of rigid restrictions on flying at particular heights. (newscientist.com)
This paper investigates the factors that determine the equilibrium state, and in particular the height and structure of the tropopause, in an idealized primitive - equation model forced by Newtonian cooling in which the eddies can determine their own depth. (gfdl.noaa.gov)
Rugby is not like football is, where if you don't fit a particular height, weight and speed, you can't play in college. (sportstarsmag.com)