103: Number of failed attempts a driver in Wales tried to use voice verification to pay a toll
43: Number of species of monkeys and apes lacking the vocal membrane, aka voice box, likely required for speech
13: Speed in MPH below which, after 2019 legislation by the UK’s Department for Transport, electric cars must emit warning sounds
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¹Footnotes
Wales: walesonline.co.uk. Box: newscientist.com. MPH: autoexpress.co.uk.
Originally published in the August 22, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via tinyletter.com/disquiet.