Latest Hall effect thruster Stories
Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century.
Aerojet's High-Power Hall System Providing Orbit-Raising Propulsion for Air Force's Advanced Extremely High Frequency Satellite
SACRAMENTO, Calif., Nov.
Word of the Day
- In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.
The word 'bretelles' comes from a French word meaning 'braces'.