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12 ore fa · Estimated energy of stellar mass rotational black holes by vacuum polarization in a electromagnetic field: 10 47 J Total energy of a very energetic and relativistic jetted Tidal Disruption Event (TDE) ~10 47 J Upper limit of collimated- corrected total energy of a gamma-ray burst: 1.8×10 47 J
12 ore fa · Spinors were introduced in geometry by Élie Cartan in 1913. [1] [d] In the 1920s physicists discovered that spinors are essential to describe the intrinsic angular momentum, or "spin", of the electron and other subatomic particles. [e] Spinors are characterized by the specific way in which they behave under rotations.
12 ore fa · History 20th century George Mason, a Founding Father of the United States and the university's namesake. In 1949, the University of Virginia created an extension center to serve mid-career working professionals and non-traditional students near urban centers in the Northern Virginia suburbs of Washington, D.C. The extension center offered both for credit and non-credit informal classes in the ...
12 ore fa · The following is a list of notable deaths in April 2024 . Entries for each day are listed alphabetically by surname. A typical entry lists information in the following sequence: Name, age, country of citizenship at birth, subsequent country of citizenship (if applicable), reason for notability, cause of death (if known), and reference.
