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Henri Becquerel

physics
Sir William Crookes and the Fundamentals of Luminescence

Sir William Crookes and the Fundamentals of Luminescence

Harald Sack
On June 17, 1832, British physicist, chemist, science journalist, and parapsychologist Sir William Crookes was born. Crookes visualized cathode rays, discovered the fundamentals of luminescence and isotopes, and developed methods for detecting ionizing radiation. He discovered the chemical element thallium and the thorium isotope 234Th. William Crookes – Biographical Background William Crookes was born in London, the eldest son of the second wife of Joseph Crookes, a very wealthy tailor. He attended…
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physics
Pierre Curie – A Pioneer in Radioactivity

Pierre Curie – A Pioneer in Radioactivity

Harald Sack
On 19 April 1906, French physicist and Nobel laureate Pierre Curie died in an accident. A pioneer in crystallography, magnetism, piezoelectricity and radioactivity, he co-jointly received the Nobel Prize in Physics in 1903 with his wife, Marie Skłodowska-Curie, and Henri Becquerel, “in recognition of the extraordinary services they have rendered by their joint researches on the radiation phenomena discovered by Professor Henri Becquerel“.[9] “If one leaves a wooden or cardboard box containing a…
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physics
Victor Franz Hess and the Cosmic Radiation

Victor Franz Hess and the Cosmic Radiation

Tabea Tietz
On August 7, 1912, Austrian physicist Victor Franz Hess provided evidence of a high-altitude radiation in one of his balloon rides, which later was called cosmic radiation. Together with Carl Anderson, he received the 1936 Nobel Prize in Physics for the discovery of cosmic radiation. What causes Ionization of the Air? Victor Franz Hess was educated in Graz, Austria. There, he attended the grammar school and the University of Graz. At the Physical…
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chemistry
Maria Skłodowska Curie – Truly an Extraordinary Woman

Maria Skłodowska Curie – Truly an Extraordinary Woman

Tabea Tietz
On November 7, 1867, Marie Curie was born, French-Polish physicist, chemist, pioneer in research of radioactivity.  She was the first woman to win a Nobel Prize, is the only woman to win the Nobel prize twice, and is the only person to win the Nobel Prize in two different scientific fields. “One never notices what has been done; one can only see what remains to be done.” — Marie Curie, Letter to her…
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physics
Henri Becquerel and the Discovery of Radioactivity

Henri Becquerel and the Discovery of Radioactivity

Tabea Tietz
On March 1, 1896, French physicist Henri Becquerel while experimenting with X-rays and photographic plates discovered radioactivity along with Marie Curie and Pierre Curie, for which all three won the 1903 Nobel Prize in Physics. “I developed the photographic plates on the 1st of March, expecting to find the images very weak. Instead the silhouettes appeared with great intensity. It is important to observe that it appears this phenomenon must not be attributed…
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