Tag: Stany Zjednoczone Ameryki

Antarktyczna temperatura ulega zmianie

Antarktyczna temperatura ulega zmianie

Antarktyczna temperatura ulega zmianie

Antarktyczna temperatura ulega zmianie – Researchers at the University of Washington in Seattle (USA), after analyzing data from satellites observing Antarctica, came to the conclusion that Antarctica warmed by 0.5 ° C between 1957 and 2006. Scientists noticed that the temperature quickly rises to the west Antarctica. Heating the continent has an impact on rising sea levels.

Podziemne odkrycia Los Angeles

Podziemne odkrycia Los Angeles

Podziemne odkrycia Los Angeles

Podziemne odkrycia Los Angeles – In downtown Los Angeles during the construction of the underground car park, have been dug up animal remains from the Ice Age. Called to the place paleontologists have discovered bones of: cougar, wolves, horses, European bisons and other mammals. Near the main findings lay the skeleton of the mammoth.

Arsenał atomowy świata

World atomic arsenal

World atomic arsenal – Nuclear bombs are one of the most powerful and therefore most terrible weapons created by man. Here are the countries which have atomic arsenal:

– USA:

  • the first nuclear explosion: 16 July 1945.
  • the first thermonuclear explosion: 31 October 1952.
  • the number of nuclear warheads: over 10 thousand.
  • number of tests of nuclear weapons: 1030

– Russia (USSR):

 

  • the first nuclear explosion: 29 August 1949.
  • the first thermonuclear explosion: 12 August 1953.
  • the number of nuclear warheads: over 10 thousand.
  • number of tests of nuclear weapons: 715

 

– Great Britain:

 

  • the first nuclear explosion: 3 October 1952.
  • the first thermonuclear explosion: 15 May 1957.
  • the number of nuclear warheads: 185
  • number of tests of nuclear weapons: 45

 

– France:

 

  • the first nuclear explosion: 13 February 1960.
  • the first thermonuclear explosion: 24 September 1966.
  • the number of nuclear warheads: 350
  • number of tests of nuclear weapons: 210

 

– China:

 

  • the first nuclear explosion: 16 October 1964.
  • the first thermonuclear explosion: 17 June 1967.
  • the number of nuclear warheads: 400
  • number of tests of nuclear weapons: 45

 

– India:

 

  • the first nuclear explosion: 18 May 1974.
  • the first thermonuclear explosion: –
  • the number of nuclear warheads: 60
  • number of tests of nuclear weapons: 3

 

– Pakistan:

 

  • the first nuclear explosion: 28 May 1998.
  • the first thermonuclear explosion: –
  • the number of nuclear warheads: ?
  • number of tests of nuclear weapons: 2

 

– Israel:

 

  • the first nuclear explosion: ?
  • the first thermonuclear explosion: –
  • the number of nuclear warheads: approx. 350
  • number of tests of nuclear weapons: 1 (?)

 

– North Korea (DPRK):

 

  • the first nuclear explosion: 9 October 2006
  • the first thermonuclear explosion: –
  • the number of nuclear warheads: ?
  • number of tests of nuclear weapons: 2 (?)

 

Robert Oppenheimer – Amerykański fizyk

Robert Oppenheimer

Robert Oppenheimer – Amerykański fizyk

Robert Oppenheimer – 02.18.1967 died an American physicist Robert Oppenheimer (born in 1904). Scientific director of the project „Manhattan”, the aim of which was to create the first atomic bomb. He also worked on electrons and positrons.

William Edward Boeing – Pionier lotnictwa, designer, pilot

William Edward Boeing

William Edward Boeing – Pionier lotnictwa, designer, pilot

William Edward Boeing – 10.01.1881 Born American industrialist, designer aviation and pilot William Boeing. Considered one of the pioneers of aviation, founder of The Boeing Company.