If you map a square conformally onto a disk and then map the disk onto the plane with two slits cut out, the two lines cutting the square into 4 smaller squares get mapped to 'Bernoulli's lemniscate'
Last year the European Commission published an 18-page directive which would require electronic devices to all use the same type of USB-C charging port, now it's a law.
EU agrees single mobile charging port in blow to Apple | Reuters
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Fun Fact
Kazakhstan’s Minister of Communications and Informatics has blocked the Tumblr site because it contained 60 sites of terrorism, extremism, and pornography in 2015.