News for hackers. Stuff that matters.

A comment on Indoor CO2 may reach levels harmful to cognition by the end of this century. Parent comment

Re:Indoor CO2 may reach levels harmful to cognition by the e... by smichel17 on Saturday September 19, 2020 @09:16AM (#24527214)
To set the frame of reference for the parent's "not cheap" recommendation, the model they use seems to retail for $300-$400, based on a quick search.
[ Parent | on HN ]

There are no comments on this comment yet.