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Mistodon: AdeptApril helpfully pointed out in this #ANSIart screen that today, the 23rd day of the 10th month, is "Mole Day", observed between 6:02 am and 6:02 pm, in recognition of #AvogadrosNumber, rounded to 6.022x10²³ - the number of particles of a substance in a mole of it. (It's important in chemistry.)
