Tag: Edward Acheson

Joelle Joanie “JoJo” Siwa is an American dancer, singer, and YouTuber born on this day in 2003. Did you know that: • William Francis Channing and Moses G. Farmer patented the electric fire alarm on this day in 1857• Edward Acheson was granted a patent for an electric furnace used to produce carborundum on this […]

Edward Acheson patented an abrasive he named “carborundum” on this day in 1893. Did you know that: • The erroneous word “Dord” was discovered in the Webster’s New International Dictionary, Second Edition, on this day in 1939• American engineer Wright Forrester issued a patent for a computer core memory on this day in 1956• Donald […]