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#157 – Natalya Bailey: Rocket Engines and Electric Spacecraft Propulsion
Lex Fridman Podcast
How to Create a Cone That Generates Ions?
We use ionic liquids that are just positive. They're very similar to salts, but they happen to be liquid over a really wide range of temperatures. So we manufacture hundreds or thousands of sharp structures and then supply the liquid to the tips. And those tips we form have radii of curvature on the order of probably like single microns. On each square centimeter today, we have about 500 of the actual physical,. we call them emitters, those physical cones. We're working on increasing that by a factor of four in the coming months.
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