December 2, 2012

Advent Atmosphere: The Greenhouse Effect

Venus, Earth and Mars are all similar in size, in similar orbits, and condensed out of the same gas cloud, so they ought to have about the same makeup of elements. But Mars is freezing cold with almost no atmosphere, Earth is nicely liveable, and...

December 1, 2012

Advent Atmosphere: In The Beginning

I dithered for ages about what to do for this Advent series. I considered teaching you about carbonyl compounds and their reactions, but really, though that’s useful chemistry, it’s not very exciting to look at in depth unless you actually intend to use the knowledge....

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