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A friend sent me a video about 7 amazing substances. One that it did not do justice to was nitinol--shape memory metal.

It's pretty cool that it can unbend when it gets to a certain temperature. A second video that I wrote in reply explained how the metal works.

I'm reading Harry Potter and the Sorcerer's Stone. I was pleasantly surprised to have it mention Newt Scamander as the author of one of the books that was required to bring to Hogwarts. He's the protagonist in Fantastic Beasts and Where to Find Them. Today I read a mention of Grindelwald, so the author was thinking far ahead in planning out where it would be possible to take the Harry Potter universe.

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November 1, 2018
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