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P4W4: What does "propellant agnosticism" mean?
Our first-ever episode aimed to answer the question "what is plasma?" Today, we go much deeper with Phase Four plasma physicist Derek Thompson as we tackle what "propellant agnosticism" means for the Phase Four RF thruster (RFT). Dr. Thompson examines what allows the RFT to be propellant agnostic, and what makes a good propellant.