"...the materials around us might seem like blobs of differently colored matter, they are in fact much more than that: they are complex expressions of human needs and desires.
From "Stuff Matters", by @markmiodownik.
h/t to @ScottHYoung for the tip
https://www.scotthyoung.com/blog/my-best-book-recommendations/ …
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Concrete as a potential air purifier: Titanium dioxide..."can also reduce the level of nitrogen oxide in the air, produced by cars, like a catalytic converter. Several studies have shown that this works" One such analysis: http://www.pitt.edu/~budny/papers/8150.pdf …pic.twitter.com/6cStgn6nZU
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On why dark chocolate is so bitter: "These are molecules such as caffeine and theobromine, which are extremely bitter and astringent. They activate the bitter and sour taste receptors and complement the sweetness of the sugar."pic.twitter.com/gSSa9xUVgJ
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Don't chew chocolate! "genius of creating hot chocolate in the mouth is that the cocoa butter encapsulates the flavor molecules until the moment you eat it, and only then does it release its cocktail of more than six hundred exotic molecules into your mouth and up your nose."
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Why is the sky blue? "The reason is that the shorter wavelengths of light are more likely to be scattered than the longer ones, which means that blues get bounced around the sky more than reds and yellows. So instead of seeing a white sky when we look up, we see a blue one."pic.twitter.com/20ZY0jmOAu
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On the transcendent possibilities of "solid air": "...if ever there was a material that represented our ability to explore the vastness of the solar system while at the same time speaking of the fragility of human existence, if ever there was a blue-sky material—it is aerogel."pic.twitter.com/EptX4qBukB
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