Daily Content Archive
(as of Saturday, July 29, 2017)| Word of the Day | |||||||
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tenuity
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| Article of the Day | |
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 AutostereogramsAutostereograms are optical illusions of depth that are designed to trick the brain into perceiving a three-dimensional scene in a two-dimensional image. The simplest type, known as a wallpaper autostereogram, consists of horizontally repeating patterns that appear to float in the air above the background. In order to perceive the 3D shapes, the brain must overcome the normally automatic coordination between focusing and convergence. What are the two ways that an autostereogram can be viewed? More... | |
| This Day in History | |
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 The International Atomic Energy Agency Is Established (1957)In 1953, during the Cold War, US President Dwight D. Eisenhower proposed the creation of an international body to regulate the use of nuclear power in his "Atoms for Peace" address to the United Nations General Assembly. Four years later, the International Atomic Energy Agency (IAEA) was established to promote the peaceful use of nuclear energy. The IAEA may purchase and sell fissionable materials, and it inspects for compliance with the Non-Proliferation Treaty. Is the IAEA part of the UN? More... | |
| Today's Birthday | |
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 Ken Burns (1953)Burns is an acclaimed American director and producer of lengthy historical documentaries. Known for his extensive use of archival footage and photographs, he is considered one of the most influential documentarians in the US. His films have been among public television's most-watched programs, and include The Civil War, Baseball, Jazz, The War, and The National Parks. The Civil War is considered to be his masterpiece. What is the "Ken Burns Effect"? More... | |
| Quotation of the Day | |
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 Connoisseur, n.: A specialist who knows everything about something and nothing about anything else.Ambrose Bierce (1842-1914) | |
| Today's Holiday | |
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 St. Olav's Day (2020)St. Olav is the patron saint of Norway, and the anniversary of his death is still marked by religious services, fireworks, and public merry-making. Every year the battle in which he died is reenacted during the St. Olav Festival in Trondheim. In the Faroe Islands, this is known as Olavsoka, or "St. Olav's Wake," a national holiday. Parliament opens on the 29th, but the festivities—which include dancing, sports events, speeches, drinking, and a parade of members of Logting (parliament)—begin the night before and continue into the early hours of the 30th. More... | |