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Hace 23 horas · Edward Teller (Hungarian: Teller Ede; January 15, 1908 – September 9, 2003) was a Hungarian-American theoretical physicist and chemical engineer who is known colloquially as "the father of the hydrogen bomb" and one of the creators of the Teller–Ulam design.. Born in Austria-Hungary in 1908, Teller emigrated to the United States in the 1930s, one of the many so-called "Martians", a group ...
Hace 23 horas · Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms.: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science. Quantum mechanics can describe many systems that classical physics cannot.
Hace 23 horas · Franklin Delano Roosevelt (January 30, 1882 – April 12, 1945), commonly known by his initials FDR, was an American politician who served as the 32nd president of the United States from 1933 until his death in 1945. The longest serving U.S. president, he is the only president to have served more than two terms. His initial two terms were centered on combating the Great Depression, while his ...
7 de jun. de 2024 · Israelis have opened their borders to Palestinian workers, to whom they pay high wages. They have accepted Palestinian patients, including even terrorists, into their excellent hospitals. Some of the Israeli kibbutz residents who helped Gazans were murdered by them on October 7. Even during the current Gaza war, Israel has provided more food, medicine and humanitarian aid to Palestinians than ...
Hace 23 horas · The Taiping Rebellion, also known as the Taiping Civil War or the Taiping Revolution, was a civil war in China between the Manchu -led Qing dynasty and the Hakka -led Taiping Heavenly Kingdom. The conflict lasted for 14 years, from its outbreak in 1850 until the fall of Taiping-controlled Nanjing —which they had renamed "Tianjing"—in 1864.
Hace 23 horas · Sustainability is a social goal for people to co-exist on Earth over a long time. Definitions of this term are disputed and have varied with literature, context, and time. [2] [1] Sustainability usually has three dimensions (or pillars): environmental, economic, and social. [1]
Hace 23 horas · An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses).. Biodiversity (or biological diversity) is the variety and variability of life on Earth.It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity.
