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Hace 4 días · First practical means of collecting energy from the Sun and turning it into a current of electricity. 1955: The hovercraft is patented by Christopher Cockerell. 1955: The intermodal container is developed by Malcom McLean. 1957: The laser and optical amplifier are invented and named by Gordon Gould and Charles Townes.
Hace 4 días · Demographics of Europe. Figures for the population of Europe vary according to the particular definition of Europe's boundaries. In 2018, Europe had a total population of over 751 million people. [1] [2] 448 million of that live in the European Union and 110 million live in European Russia, Russia being the most populous country in Europe.
Hace 3 días · The history of Europe is traditionally divided into four time periods: prehistoric Europe (prior to about 800 BC), classical antiquity (800 BC to AD 500), the Middle Ages (AD 500–1500), and the modern era (since AD 1500). The first early European modern humans appear in the fossil record about 48,000 years ago, during the Paleolithic era.
23 de may. de 2024 · History of art. The history of art focuses on objects made by humans for any number of spiritual, narrative, philosophical, symbolic, conceptual, documentary, decorative, and even functional and other purposes, but with a primary emphasis on its aesthetic visual form.
Hace 4 días · The Ikiza was a series of mass killings which were committed in Burundi in 1972 by the Tutsi -dominated army and government, primarily against educated and elite Hutus who lived in the country. As much as 10% to 15% of the Hutu population of Burundi killed [76] Bangladesh genocide. East Pakistan (now Bangladesh ) 1971.
20 de may. de 2024 · This is a list of wars that began between 1000 and 1499 (last war ended in 1504). Other wars can be found in the historical lists of wars and the list of wars extended by diplomatic irregularity .
Hace 1 día · In the US, the average annual inflation rate from 1900 to 1970 was approximately 2.5%. From 1970 to 1979, however, the average rate was 7.06%, and topped out at 13.29% in December 1979. [19] This period is also known for "stagflation", a phenomenon in which inflation and unemployment steadily increased.
