"The finest steel has to go through the hottest fire."
[Richard M. Nixon]

Quote of the Day, from brainyquote.com (2025/10/15)

Article of the Day

Jozo Tomasevich (1908 – October 15, 1994) was an American economist and historian whose speciality was the economic and social history of Yugoslavia. He was born in the Kingdom of Dalmatia, then part of Austria-Hungary. In the mid-1930s, he worked at the National Bank of Yugoslavia in Belgrade and published three well-received books on Yugoslavian economics. In 1938, he moved to the United States as the recipient of a Rockefeller fellowship and conducted research at Harvard University before joining the academic staff of Stanford University. In 1948, he joined the staff at San Francisco State College, where he researched and taught for twenty-five years until his retirement in 1973. Tomasevich began writing on Yugoslavia in World War II – War and Revolution in Yugoslavia 1941–1945. He wrote two parts of a three-volume series before his death. The third volume, on the Yugoslav Partisans, remains unpublished despite being 75-percent complete at his death. (Full article...)

  • Article of the Day

Image of the Day


Source: Wikimedia Commons.

On this day: October 15

October 15

Coat of arms of Volgograd Oblast
Coat of arms of Volgograd Oblast

Knowledge about Earth

Facts and Figures

  • Age of Earth: ~ 4.568 billion years
  • World Population: 7.3 billion (July 2015)
  • Continents: 7 (Asia, Africa, North America, South America, Antarctica, Europe, and Australia)
  • Mean Radius: 6371.0 km
  • Axial Tilt: 23,44°

Image Source: Wikipedia - License: Public Domain (thanks to NASA)

Our Solar System

Our solar system consists of
1 star (Sun) and 8 planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune).

  • 1 AU (astronomical unit) is roughly the distance between Earth and the Sun (about 150 million kilometres).
  • The space probe Voyager 1 was launched by the NASA in 1977 and is meanwhile (autumn 2015) about 133 AU away from Earth.

Image Source: Wikipedia - License: CC BY-SA 3.0

Why you should extend your general knowledge:

There are many reasons why one should or wants to extend his knowledge.
First you should consider that "general knowledge" is knowledge which a group of humans - who belong together regional, temporal or otherwise - owns. Thus, it describes a basic understanding of specific categories of knowledge.

As the English philosopher Francis Bacon said before: "Wisdom is Power" [Bacon 1597].