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Latest Hall effect thruster Stories

2013-02-13 17:45:20

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.


Word of the Day
meacock
  • An uxorious, effeminate, or spiritless man.
  • A timorous, cowardly fellow.
Probably a blend of meek and cock, or from meek +‎ -ock (“diminutive suffix”).