What's the Differential

Stepping Off the Treadmill

chris@differentialfactor.com (Chris Selland) — Wed, 31 Dec 2025 12:54:32 GMT

I’m writing this in that hazy "middle ground" of the holiday break—the time between Christmas and New Year’s where calendars are merely suggestions, leftover sweets become a primary food group, and I’ve had just enough downtime to reflect on the year nearly gone by.

We're All Traders Now

chris@differentialfactor.com (Chris Selland) — Sun, 28 Dec 2025 13:41:49 GMT

Note: This post is an updated and expanded version of an article I originally wrote a few months back.

To Master Disruption, Teach It

chris@differentialfactor.com (Chris Selland) — Mon, 22 Dec 2025 18:06:51 GMT

“Docendo discimus”

It's an old adage, attributed to the Roman philosopher Seneca, and in modern times to the physicist Frank Oppenheimer — by teaching, we learn.