Smartest v0.3.5a2 Savannah's Non-Executive directors, Barry Hawthorne and Richard Wake Walker, spent the week of May 20th touring Savannah's field operations and regional offices.  They met with management and staff who supplied updates on recent exploration activities and interesting new results. Wed, 11 Jun 2008 09:14:29 -0500 Wed, 11 Jun 2008 09:51:18 -0500 Specific impulse (usually abbreviated Isp) is a way to describe the efficiency of rocket and jet engines. It represents the impulse (change in momentum) per unit of propellant. The higher the specific impulse, the less propellant is needed to gain a gi... Wed, 14 Nov 2007 16:46:18 -0600