Paul Cantrell on Nostr: I recently purchased a CO₂ monitor (an Aranet4, which works nicely and is designed ...

I recently purchased a CO₂ monitor (an Aranet4, which works nicely and is designed with just shocking good sense and practicality, great device).

One interesting pattern I notice: CO₂ is consistently lower in campus spaces at Macalester than it is in almost any other indoor space — including even my own house when I’m the only person in it.

Why? Well…

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