Next in the "Can Plasma?" series: can plasma be scaled up? You built it in the lab, it works beautifully — now turn it into an industrial process. I wrote down 14 reasons that's harder than it sounds.

⏱️ Chapters

00:00 The question: can plasma be scaled up?

00:28 Why I wrote down 14 points for this one

00:36 #1 Preserving the plasma regime — from a 2mm jet to a whole strawberry

01:53 #2 Power supply scaling — from a few watts to 100 kilowatts

02:52 The hard x-ray problem (Bremsstrahlung above ~100 kV)

03:13 #3 Uniformity — keeping electrodes parallel across 8 meters within microns

05:07 #4 Gas flow and mixing — non-equilibrium plasmas don't scale linearly

05:12 #5 Heat management — invisible at lab scale, critical at industrial scale

05:55 #6 Electrode erosion, durability, and 24/7 operation

07:14 #7 Chemistry changes with scale (and the ozone production/destruction tradeoff)

08:02 #8 Mass transfer limits — getting reactants out of the plasma

08:34 #9 Diagnostics — you can't deploy 500 optical emission spectrometers

09:12 #10 Energy efficiency — does 95% lab efficiency hold at scale?

09:46 #11 Modular vs monolithic — why industrial ozone systems use hundreds of small electrodes

10:35 #12 Safety and regulatory burden (FDA, CDC, USDA)

11:41 #13 Manufacturability and repeatability at scale

12:26 #14 Control, feedback, and electromagnetic interference between power supplies

13:21 Wrap-up: lasers and metallurgy face the same problem

13:45 The field is wide open — we need more people. Come help us scale plasmas.

If you're a plasma researcher, process engineer, founder, or student deciding whether this is the field for you — this is the episode.

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