Debye Length

Notes from within one Debye length of the nanopore industry. By Ferris Calloway.

Archive

  1. No. 407October 23, 2026

    There Are Two MR1s and That Is Fine

    One is a red handheld that played video games. The other is a set of open design files that was called something else until Sunday. They share a name, a microcontroller and an amplifier chip.

  2. No. 406October 12, 2026

    Notes on demonpore, Two Pore Guys and Roswell

    Three nanopore-adjacent startups had the best names in the business. All three changed them. One founder kept a list.

About

Debye Length is a newsletter about nanopores, the companies that make them, and the instruments that listen to them. It is written by one person, mostly on weekends, and arrives about once a week when there is something to say.