September 30 is celebrated as International Blasphemy Day in some countries. International Blasphemy Day encourages individuals and groups to openly express criticism of religion and…
International Translation Day is celebrated every year on 30 September on the feast of St. Jerome, the Bible translator who is considered the patron saint…
Serendipitous Invention – TEFLON On February 4, 1941 Roy Plunkett received a patent for “tetrafluoro-ethylene polymers” (TEFLON). Roy serendipitously invented TEFLON, while working for a…
On January 23, 1849, a patent was granted for an envelope-making machine, greatly reducing the time needed for the mass production of envelopes. Patent…