Tag Archives: carbon dioxide

Wild Spirits: Measuring Life and Death with the Pasco Wireless CO2 sensor

A student once asked me why if carbon dioxide is so much heavier than air, how come the lower atmosphere doesn’t become thick with CO2 and kill everything? “Umm, well…because it…umm…doesn’t?” The student then asked if I was going to was going to answer her question with another question? Which of course is also a […]

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Chemistry Now, carbon, captured: carbon dioxide

As a college student in the 70s wracking up science courses for my secondary teaching degree, scientists’ warnings of accelerated global warming made a believer out of me. Recently, looking at photos of Mt. Kilimanjaro or glaciers in Chile taken over the last forty years, I still find it curious that there are doubters out […]

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