Actually, the point being debated in the case of the old man and his
spitting tobacco could become very practical if an astronaut found
herself in a life or death situation where safety lay in her ability
to propel herself by throwing away discrete ejecta instead of using
gaseous rocket discharges.
A. R. Marlow E-MAIL: marlow@beta.loyno.edu
Department of Physics, Box 124 PHONE: (504) 865 3647 (Office)
Loyola University 865 2245 (Home)
New Orleans, LA 70118 FAX: (504) 865 2453