"...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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Steelmaking & King Arthur's sword, Excalibur: "The fact that the process of making steel was, necessarily, highly ritualized also helps to explain why this material came to be associated with magic."pic.twitter.com/bj0oJS1Afg
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Paper as a time-travel medium: "The sensual impressions of old paper allow you to enter the past much more readily, providing a portal to that world." Reminded me of a recent
@TimFerrissShow with@pennjillpic.twitter.com/MsvUWwPban
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Paper as a time-traveling medium: Reminded me of a
@TimFerrissShow w/@pennjillette where he "time-travels" everyday by reviewing past entries at 10, 20, & 30 yr intervals. https://tim.blog/2020/01/09/penn-jillette/ …pic.twitter.com/Am9wHfrgQ7
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Paper & presents: "That moment of opening transports the object inside from obscurity to celebrity in a few seconds. The unwrapping of a present is akin to the act of birth; a new life for the object begins."
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E-ink & Janus particles: "They are named Janus particles after the Roman god of transitions, who is depicted as having two faces and is often associated with doors and gates."pic.twitter.com/Z1jQyOcGET
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Ink & blood: "The ink becomes a kind of blood that demands honesty and expression, it pours on to the page, allowing thoughts to flow."
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Concrete reaches "full strength" not in days, but years: "Although concrete reacts with water to harden to a reasonable strength within twenty-four hours, the process by which this artificial rock develops its internal architecture and so its full strength takes years."pic.twitter.com/FEqMXLkQzJ
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Self-healing concrete: "This calcite bonds to the concrete and starts to build up a mineral structure that spans the crack, stopping further growth of the crack and sealing it up."pic.twitter.com/yQbMOuXnO0
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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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