ChatGPT is an artificial-intelligence (AI) chatbot developed by OpenAI and launched in November 2022. It is built on top of OpenAI’s GPT-3.5 and GPT-4 families of large language models (LLMs) and has been fine-tuned (an approach to transfer learning) using both supervised and reinforcement learning techniques. ChatGPT was launched as a prototype on November 30, 2022. It garnered attention for its detailed responses and articulate answers across many domains

Featured Event Eiffel Tower inaugurated The 984-foot (300-metre) Eiffel Tower, a wrought iron technological masterpiece created by Gustave Eiffel to commemorate the centenary of the French Revolution, was officially inaugurated in Paris this day in 1889. (1889) Featured Biography Zaha Hadid British architect Born October 31, 1950 Baghdad, Iraq Died March 31, 2016 (aged 65) Miami, Florida More Events On

The Sikorsky UH-60 Black Hawk is a four-blade, twin-engine, medium-lift utility military helicopter manufactured by Sikorsky Aircraft. Sikorsky submitted the S-70 design for the United States Army’s Utility Tactical Transport Aircraft System (UTTAS) competition in 1972. The Army designated the prototype as the YUH-60A and selected the Black Hawk as the winner of the program in 1976, after a

Featured Event Failed assassination attempt against U.S. President Ronald Reagan (1981) In Washington, D.C., on this day in 1981, barely two months after his inauguration as the 40th president of the United States, Ronald Reagan was shot and seriously wounded by would-be assassin John W. Hinckley, Jr. Featured Biography Élisabeth Vigée-Lebrun French painter Born

Featured Event 1867 Dominion of Canada created On this day in 1867, with the British North America Act, the British colonies of Nova Scotia, New Brunswick, and Canada were united as the Dominion of Canada, and the province of Canada was separated into Quebec and Ontario. Featured Biography Pearl Bailey American entertainer Born March 29,

Featured Event 1930   Constantinople renamed Istanbul Built as Byzantium about 657 bce, then renamed Constantinople in the 4th century ce after Constantine the Great made the city his capital, the Turkish city of Istanbul officially received its present name on this day in 1930. Virginia Woolf British writer Born January 25, 1882 London, England Died March 28,

The Harpoon is an all-weather, over-the-horizon, anti-ship missile manufactured by McDonnell Douglas (now Boeing Defense, Space & Security). The AGM-84E Standoff Land Attack Missile (SLAM) and later AGM-84H/K SLAM-ER (Standoff Land Attack Missile – Expanded Response) are cruise missile variants. The regular Harpoon uses active radar homing and flies just above the water to evade defenses. The missile can be launched from: Fixed-wing aircraft (the AGM-84, without the solid-fuel

The AN/SLQ-25 Nixie and its variants are towed torpedo decoys used on US and allied warships. It consists of a towed decoy device (TB-14A) and a shipboard signal generator. The decoy emits signals to draw a torpedo away from its intended target. The Nixie attempts to defeat a torpedo’s passive sonar by emitting simulated ship noise, such

47 bce Cleopatra reinstated as queen of Egypt The legendary Cleopatra VII Thea Philopator, aided by her Roman lover Julius Caesar, was reinstated as coruler of Egypt (with her brother Ptolemy XIV) this day in 47 bce following a civil war with her brother Ptolemy XIII. Births 1970 Mariah Carey American singer 1965 José Carlos Palma Creator of