While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...
These four flight unit electrospray thrusters were delivered by MIT Space Propulsion Laboratory to NASA for the upcoming Green Propulsion Dual Mode (GPDM) mission. Cambridge, Mass. -- MIT engineers ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results