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scott_s on July 24, 2009 | parent | context | favorite | on: Ion engine could one day power 39-day trips to Mar...

It's news because most people don't know about it. It probably bubbled it's way back up because of this, though: Scientists at Ad Astra began tests of the engine's second stage - which heats the plasma - last week.

biohacker42 on July 24, 2009 [–]

It's news because most people don't know about it.

And because of that before long it will be news again, and again, and again. Here's hoping the Ad Astra tests go well.

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