Learn about the history of science by reading about the significant scientific events that took place on this day in history.
NASA's space probe, Voyager I sends back photographs showing active volcanoes on Jupiter's moon Io. This discovery would be confirmed during Voyager 2's Io flyby on July 9, 1979. Comparisons between the two flybys would show Io to have an extremely active geology.
Kendal was an American chemist who discovered the hormone cortisone. He also shares the 1950 Nobel Prize in Medicine with Tadeus Reichstein and Philip Hench for their research on the structure and effects of adrenal cortex hormones.
Hahn was awarded the 1944 Nobel Prize in Chemistry for the discovery of nuclear fission in heavy nuclei. He bombarded uranium with neutrons and found evidence of barium. Barium is approximately half the mass of uranium and the only explanation could be that the uranium nucleus had split in two because of the neutron bombardment.
Lebedev was a Russian physicist who was the first to prove light exerts mechanical pressure on a surface it is shined on. He accurately measured the pressure of of light on a solid body which gave the first quantitative proof to Clark Maxwell's electromagnetic theories. He was responsible for the popularization of physics to a generation of Russian scientists.
Darby was an English ironmonger who invented the process of coke smelting for producing iron from ore. Before this, iron was smelted with charcoal. Darby's method produced a much higher quality of iron and greatly decreased the costs associated with production. Darby is considered one of the pioneers of the Industrial Age for this discovery.
2005 - César Lattes died.
Lattes was a Brazilian physicist who discovered the pi meson particle with Eugene Gardener. Pi mesons or pions are lightweight mesons that have a significant role in explaining the strong nuclear force.1979 - Voyager 1 discovers volcanos on Io.
NASA's space probe, Voyager I sends back photographs showing active volcanoes on Jupiter's moon Io. This discovery would be confirmed during Voyager 2's Io flyby on July 9, 1979. Comparisons between the two flybys would show Io to have an extremely active geology.
1923 - Johannes Diederik van der Waals died.
Johannes Diderik van der Waals was a Dutch physical chemist who was awarded the 1910 Nobel Prize in Physics for describing a state of matter where the liquid and gas phases merge together continuously. He was the first to postulate an intermolecular force. He also derived a general equation for the ideal gas equation taking in account the attractive forces and volumes of the molecules.1886 - Edward Calvin Kendall was born.
Kendal was an American chemist who discovered the hormone cortisone. He also shares the 1950 Nobel Prize in Medicine with Tadeus Reichstein and Philip Hench for their research on the structure and effects of adrenal cortex hormones.
1879 - Otto Hahn was born.
Hahn was awarded the 1944 Nobel Prize in Chemistry for the discovery of nuclear fission in heavy nuclei. He bombarded uranium with neutrons and found evidence of barium. Barium is approximately half the mass of uranium and the only explanation could be that the uranium nucleus had split in two because of the neutron bombardment.
1866 - Pyotr Nikolayevich Lebedev was born.
Lebedev was a Russian physicist who was the first to prove light exerts mechanical pressure on a surface it is shined on. He accurately measured the pressure of of light on a solid body which gave the first quantitative proof to Clark Maxwell's electromagnetic theories. He was responsible for the popularization of physics to a generation of Russian scientists.
1836 - Michael Foster was born.
Foster was an English physiologist who introduced modern methods of teaching biology that emphasize training in laboratory. His methods would put Britain on the forefront of physiological studies and research and make physiology a scientific profession.1822 - Jan Józef Ignacy Lukasiewicz was born.
Lukasiewicz was a Polish pharmacist who discovered a method to extract kerosene from seep oil and the invention of the kerosene lamp. He is credited with the construction of the world's first oil refinery facility and Poland's first oil well.1717 - Abraham Darby died.
Darby was an English ironmonger who invented the process of coke smelting for producing iron from ore. Before this, iron was smelted with charcoal. Darby's method produced a much higher quality of iron and greatly decreased the costs associated with production. Darby is considered one of the pioneers of the Industrial Age for this discovery.
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