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The year 1654 in science and technology involved some significant events.
February 25 is the 56th day of the year in the Gregorian calendar; 309 days remain until the end of the year.
Magdeburg is the capital and second-largest city of the German state Saxony-Anhalt. The city is situated at the Elbe river.
Year 1573 (MDLXXIII) was a common year starting on Thursday of the Julian calendar.
1632 (MDCXXXII) was a leap year starting on Thursday of the Gregorian calendar and a leap year starting on Sunday of the Julian calendar, the 1632nd year of the Common Era (CE) and Anno Domini (AD) designations, the 632nd year of the 2nd millennium, the 32nd year of the 17th century, and the 3rd year of the 1630s decade. As of the start of 1632, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
1654 (MDCLIV) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1654th year of the Common Era (CE) and Anno Domini (AD) designations, the 654th year of the 2nd millennium, the 54th year of the 17th century, and the 5th year of the 1650s decade. As of the start of 1654, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
Otto von Guericke was a German scientist, inventor, and politician. His pioneering scientific work, the development of experimental methods and repeatable demonstrations on the physics of the vacuum, atmospheric pressure, electrostatic repulsion, his advocacy for the reality of "action at a distance" and of "absolute space" were noteworthy contributions for the advancement of the Scientific Revolution.
The Magdeburg hemispheres are a pair of large copper hemispheres, with mating rims. They were used to demonstrate the power of atmospheric pressure. When the rims were sealed with grease and the air was pumped out, the sphere contained a vacuum and could not be pulled apart by teams of horses in a famous first public demonstration in 1654. The Magdeburg hemispheres were invented by German scientist and mayor of Magdeburg, Otto von Guericke, to demonstrate the air pump that he had invented, and the concept of atmospheric pressure. The first artificial vacuum had been produced a few years earlier by Evangelista Torricelli, and had inspired Guericke to design the world's first vacuum pump, which consisted of a piston and cylinder with one-way flap valves. The hemispheres became popular in physics lectures as an illustration of the strength of air pressure, and are still used in education. The original hemispheres are on display in the Deutsches Museum in Munich.
Heinrich Ernst Ferdinand Guericke, was a German theologian.
The year 1703 in science and technology involved some significant events.
Johann Friedrich Wilhelm Adolf von Baeyer was a German chemist who synthesised indigo and developed a nomenclature for cyclic compounds. He was ennobled in the Kingdom of Bavaria in 1885 and was the 1905 recipient of the Nobel Prize in Chemistry.
The Otto-von-Guericke University Magdeburg (OvGU) was founded in 1993, making it one of the youngest universities in Germany. The university is located in Magdeburg, the Capital city of Saxony-Anhalt and has about 13.000 students in nine faculties. According to the Scopus database there are around 32.900 papers published in international journals from the University.
Joanna of Austria was an Archduchess of Austria. By marriage to Francesco I de' Medici, she was the Grand Princess of Tuscany and later the Grand Duchess of Tuscany. One of her daughters was Marie de' Medici, second wife of King Henry IV of France.
Wilhelm Homberg, also known as Guillaume Homberg in French, was a German natural philosopher.
Göttingen is a university city in Lower Saxony, central Germany, the capital of the eponymous district. The River Leine runs through it. At the end of 2019, the population was 118,911.
Events in the year 1910 in Germany.
Events from the year 1819 in Germany.
Events from the year 1832 in Germany.
The following is a list of notable deaths in April 1991.