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Response to DirkGently (Original post)

Fri Aug 1, 2014, 01:50 PM

4. I think this is the worst-written science article I've seen.

It's not a perpetual motion drive.
It does use fuel - electricity.

What makes this interesting is satellites have to use thrusters to correct their orbit occasionally. The fuel for those thrusters limit how long the satellite keeps working. No fuel and the orbit decays, resulting in an exciting return to Earth.

If this thruster works, then satellites can just use electricity from their solar panels to run their thrusters. They are no longer limited by the fuel they carry.

Additionally, that makes satellites lighter and thus cheaper to launch. You don't have to boost a bunch of hydrazine into orbit inside the satellite.

We'll see if it holds up.

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