Father of modern philosophy. René Descartes was a 17th-century French philosopher, mathematician, and scientist often called the “Father of Modern Philosophy.” He believed that true knowledge had to be built on clear, rational thinking rather than tradition or assumptions. His most famous idea is “Cogito, ergo sum” — “I think, therefore I am” — which means that the act of thinking proves your own existence. Descartes also made huge contributions to mathematics by creating analytic geometry, whic

Crazy results | Experiment at Rungta University #ashusir #experiment #funny #chemistry

Terrifying on Instagram: "On Tuesday, January 28, 1986, at 11:39 a.m. EST, the Space Shuttle Challenger (mission STS-51-L) launched from Kennedy Space Center in Florida. Among the seven crew members was Christa McAuliffe, a high school teacher selected to be the first private citizen in space through NASA’s Teacher in Space Project. Seventy-three seconds after liftoff, at an altitude of approximately 46,000 feet, the shuttle suffered a catastrophic structural failure. A flawed design in the Soli