This is a necklace that, judging by the materials and the design, dates back to around 2010 or 2011. Most recently in my math jewelry I've focused exclusively on pi, but in earlier work I tried to branch out into other irrational numbers—like Euler's number.
Euler's number isn't as sexy as pi. We don't use an exotic Greek character to refer to it, just
e. And while pi enjoys near-universal usage as circles are everywhere,
e has a more specialized usage. The only time you probably encounter logarithms is in banking:
e is an important part of calculating compound interest.
Also, if you're wondering: "Euler" is pronounced like "oiler,"
not like it would rhyme with "Ferris Bueller." The more you know!
This necklace features one of my all-time favorite stones,
variscite, also known as aqua terra jasper, snakeskin jasper, or impression jasper. I'm actually nearly out of this in my bead box, so listing this one has been a reminder to do some bead shopping. The tan beads are
cultured pearls. The spacers between each digit are drilled sea shells, completing the marine look.
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