alt Hacker NewsShould…
Whenever I travel, I bring a CO2 meter with me. It’s amazing how often the air is bad. Often in unexpected places. My meter hit 3100 in an uber once. I didn’t even notice until I got to my hotel room and looked at the data log. It was a fresh, hot day outside. The uber had windows closed and AC on. I bet he had no idea - but he was driving with significant cognitive impairment. Takeoff and landing in planes are always the worst. If you get sleepy as the plane is taking off, it’s not you. The plane’s ventilation doesn’t work properly when the plane is stationary. So before a plane is in the air, they often hit 2500.
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Cars have a "make the air bad" button, the recirculation button. Some people always have it on. I wonder if it's a factor in road rage.
When was the last time you had that sensor calibrated properly with a can of test gas and a multimeter?
Interesting. I can barely stay awake in typical commercial planes, and I always attributed it to the lower partial oxygen pressure.