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1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA
The microwave oven was invented accidentally in 1945 by Percy Spencer, a Raytheon engineer. While testing a magnetron, he noticed microwaves melted a candy bar in his pocket. Experimenting further, he discovered microwaves could cook food quickly. Raytheon patented the process, and by 1947, they built the first commercial microwave oven, called the 'Radarange.' Initially used in commercial settings, microwaves becomes affordable for home use by the 1960s and 1970s, revolutionizing cooking.
The cell phone was invented by Martin Cooper of Motorola. On April 3, 1973, he made the first handheld mobile phone call with the Motorola DynaTAC. This device weighed 2.5 pounds and was 10 inches long, offering 30 minutes of talk time and requiring 10 hours to charge. The first commercial cell phone was released in 1983, revolutionizing communication and leading to the modern smartphones we use today.
1981 - June 5 - First reported case of AIDS (Acquired Immune Deficiency Syndrome)
1989 - The World Wide Web is invented at CERN (Tim Berners-Lee, UK)
Obituary
John Edward Dalfrey, age 68, passed away Sunday, March 9, 2008 at 5:25 a.m. at his residence in Leonville. Interment in St. Leo the Great Mausoleum in Leonville. The Rev. Ken Domingue, pastor of St. Leo The Great Catholic Church in Leonville, will officiate at the services. Mr. Dalfrey was a native and lifelong resident of Leonville. He was a school teacher in the St. Landry Parish School System for over 34 years. He had been a parishioner of St. Leo The Great Catholic Church in Leonville and was a former member of the Knights of Columbus #4023. Mr. Dalfrey was a member of the Lucky 13 Hunting Club. Survivors include his wife, Jo Ann Moreau Dalfrey of Leonville; one daughter, Ericka D. Buckner and her husband, Rolland, of Opelousas; one brother, David Lloyd Dalfrey and his wife, Jeanelle, of Gainesville, VA; one sister, Marie Lanclos and her husband, Robert A., of Leonville; nieces and nephews, Michael and Kevin Lanclos of Leonville, Christinea Collora of Purcellville, Virginia,
1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA
1981 - June 5 - First reported case of AIDS (Acquired Immune Deficiency Syndrome)
Death — 2008
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