Last week, Dave Tsai explained how ceramics are used throughout the space industry. Today, he shares how ceramics factor into thruster design at Phase Four. If you missed it: Part 1: https://soundcloud.com/phase-four/p4w4-what-are-ceramics-part-1 Part 2: https://soundcloud.com/phase-four/p4w4-what-are-ceramics-part-2