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Hace 12 horas · J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈ ɒ p ən h aɪ m ər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist who served as the director of the Manhattan Project's Los Alamos Laboratory during World War II.He is often called the "father of the atomic bomb" for his role in overseeing the development of the first nuclear weapons.
Hace 12 horas · If the energy of a photon is listed as $1 \mathrm{eV}$ (electron-volt), what is the vacuum wavelength of its electromagnetic wave? (b) What is the wavenumber $\left(\mathrm{cm}^{-1}\right)$ value for a vibrational transition that emits a photon with an energy of $0.1 \mathrm{eV}$.
Hace 12 horas · The Anthropocene (/ ˈ æ n θ r ə p ə ˌ s iː n, æ n ˈ θ r ɒ p ə-/) was the name for a proposed geological epoch, dating from the commencement of significant human impact on Earth up to the present day. It affects Earth's geology, landscape, limnology, ecosystems and climate. The effects of human activities on Earth can be seen for example in biodiversity loss and climate change.
