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Team awarded $2M by NSF to teach virtual explorers about permafrost, Arctic climate change

Team awarded $2M by NSF to teach virtual explorers about permafrost, Arctic climate change
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NAU Scientists Study COVID Risk On Campus With Simple CO2 Sensors

So tell me about these CO2 sensors and what you’re really measuring with them.
What they’re measuring is the concentration of the gas carbon dioxide, which we exhale in our breath…. When we exhale, the air that comes out of our lungs has roughly 100 times the concentration of carbon dioxide as the outdoor air. If we’re in a small poorly ventilated room, our sitting around, even if we’re not very active, really increases that carbon dioxide level quite a bit.
You’re basically measuring, you can see whether the air that I’m breathing in has already been breathed out by somebody else. ....

Melissa Sevigny , George Koch , Dean Office , Scientists At Northern Arizona University , Northern Arizona University , Morning Edition , மெலிசா செவிக்ி , ஜார்ஜ் கோச் , டீன் அலுவலகம் , விஞ்ஞானிகள் இல் வடக்கு அரிசோனா பல்கலைக்கழகம் , வடக்கு அரிசோனா பல்கலைக்கழகம் , காலை பதிப்பு ,