Saturday, April 20, 2024

The Curries successfully isolate radioactive radium salts from pitchblende


 

On April 20, 1902, Marie and Pierre Curie successfully isolated radioactive radium salts from pitchblende, a mineral, in a laboratory in Paris, France. Inspired by French physicist Henri Becquerel’s 1896 experiment on phosphorescence, or the phenomenon that allows certain objects to glow in the dark, the Curries were able to find traces of two radioactive elements—polonium (Element 84) and radium (Element 88).

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Maithili Sharan Gupt's Birth Anniversary

Dr. Maithili Sharan Gupt, born on 3 August 1866, in Chirgaon, North-Western Provinces, British India, was one of the most important modern H...