John Dalton – English physicist, chemist, meteorologist
John Dalton – English physicist, chemist, meteorologist – In 27.07.1844 died English physicist,
chemist and meteorologist J. Dalton (born in 1766). Founder of modern atomic theory of matter.
He described the vision defect, which was later called daltonism. Atomic mass unit,
also acquired his name (Da).
Ignacy Domeyko – Mineralogical researcher of Chile
Ignacy Domeyko – Mineralogical, geological researcher of Chile – In 14.07.1867 Was born
I. Domeyko. Polish geologist, mineralogist. Mining engineer and researcher of South America.
Thanks initiated by him numerous mineralogical and geological research in Chile.
It developed mining industry, giving poor country a chance to enrich themselves
and become independent from foreign countries.
Johann Gregor Mendel – Augustinian order member
Johann Gregor Mendel – In 22.07.1822 Was born Augustinian monk Johann G. Mendel,
the founder of the theoretical foundations of genetics.
Maria Curie-Sklodowska – Radiochemistry,
Maria Curie-Sklodowska – Radiochemistry, radioactivity precursor – In 04.07.1934
died M. Curie–Sklodowska, Polish physicist and chemist, precursor of radiochemistry,
winner of the Nobel Prize. Her major achievements include the development of the theory of radioactivity,
radioisotope separation techniques. The discovery of two new elements – radium and polonium.
Midnight sun – The phenomenon midnight sun, or the sun north, there is the polar north pole in summer (May to July). The sun is above the horizon for 186 days and beyond for only 179. The difference stems from the fact that the day we believe the situation where the horizon is even the smallest piece of the solar disk.
First color tv transmission
First color tv transmission – It took place on July 3, 1928 in London.
First in vitro
First in vitro – Scientists have debated whether the experiment of John Rock and Miriam Menkin in 1944. Actually been fertilized. However, even if announced to the world the success was a mistake, fulfilled its role in the history of medicine – pushed forward research on in vitro fertilization. 25 July 1978 through in vitro fertilization was born the first baby – Louise Brown today – more than 5 million children.
Neil Armstrong’s footprints – Where Apollo 11 landed
Neil Armstrong’s footprints – Photos places where Apollo missions landed, made by the Lunar Reconnaissance Orbiter, shows that the footprints left there by Neil Armstrong July 21, 1969 the year you can see today. Moon hasn’t atmosphere, and hence erosion. Its surface changes only due to meteorite impacts, seismic and cosmic radiation.