Suchergebnisse
Suchergebnisse:
Vor 3 Stunden · Low-mass, red dwarf stars burn so slowly that none has yet faced its demise. But we can observe the fate of stars with the mass of the Sun, and stars up to about eight times the mass of the Sun: they become white dwarf stars. A white dwarf represents the end stage of stellar evolution for about 97% of all stars. 1.
Vor 3 Stunden · In 1971, the American computing pioneer Bernard More Oliver (1916–1995) argued all civilisations would know the following: that 1420–1662 MHz was a good place for radio astronomy; that H2O was important for life; and that other civilisations would also know these things. If civilisations wanted to communicate, the 1420–1662 MHz frequency band would be a good place to do it. It was Oliver ...
Vor 3 Stunden · As quoted in the essay "To Albert Einstein's Seventieth Birthday" by Arnold Sommerfeld, Albert Einstein : Philosopher-Scientist (1949) edited by Paul A. Schilpp (p. 102). The essay, originally published as "Zum Siebzigsten Geburtstag Albert Einsteins" in Deutsche Beiträge (Eine Zweimonatsschrift) Vol. III, No 2, 1949, was translated specifically for the book by Schilpp.
Vor 3 Stunden · Plot In 2067, humanity is facing extinction following a global famine caused by ecocide. Joseph Cooper, a former NASA test pilot, along with his son and daughter, Tom and Murph, and father-in-law Donald, are farmers, like most of humanity. One evening, during a dust storm, Cooper and Murph discover a gravitational anomaly in Murph's bedroom that has left patterns of falling particles. The ...
Vor einem Tag · Since pacifists give up their ability to protect themselves from violation of their right not to be harmed, then other people thus have no corresponding responsibility, thus creating a paradox of rights. Narveson said that "the prevention of infractions of that right is precisely what one has a right to when one has a right at all." Narveson then discusses how rational persuasion is a good but ...
