Monthly Archives: April 2014

“The possession of knowledge does not kill the sense of wonder and mystery. There is always more mystery.”

Anaïs Nin

Video: How do trees survive in winter?
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Video: How do trees survive in winter?

Humans can go inside or put on clothes, but trees spend winter naked in the cold. Why don’t they all die? Created by Henry Reich Animation: Ever Salazar Production and Writing Team: Alex Reich, Peter Reich, Emily Elert Music: Nathaniel Schroeder:http://www.soundcloud.com/drschroeder Want to add captions to MinuteEarth videos? – minuteearth.subtitl.us MinuteEarth is available as a…

Source: NASA Goddard Laboratory for Atmospheres
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What are the risks of nuclear fusion?

Accident potential In the magnetic approach, strong fields are developed in coils that are held in place mechanically by the reactor structure. Failure of this structure could release this tension and allow the magnet to “explode” outward. The severity of this event would be similar to any other industrial accident or an MRI machine quench/explosion, and could be…

Source: NASA Goddard Laboratory for Atmospheres
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What is Nuclear fusion?

In nuclear physics, nuclear fusion is a nuclear reaction in which two or more atomic nuclei collide at a very high speed and join to form a new type of atomic nucleus. During this process, mass is not conserved because some of the mass of the fusing nuclei is converted to photons(energy). Fusion is the process that powers active or “main sequence” stars. The…

"Tokyo Stock Exchange: Trading at the Tokyo Stock Exchange reflects Japan's rising level of economic activity." Sep 1, 1950. Source: US Army
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What is insider trading?

Insider trading is the trading of a public company‘s stockor other securities (such as bonds or stock options) by individuals with access to non-public information about the company. In various countries, insider trading based on inside information is illegal. This is because it is seen as unfair to other investors who do not have access to the information. Trading by specific insiders, such…

blackboard-backgrounds-wallpapers
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Who finances Al-Qaeda?

Some financing for al-Qaeda in the 1990s came from the personal wealth of Osama bin Laden.[69] By 2001 Afghanistan had become politically complex and mired. With many financial sources for al-Qaeda, Bin Laden’s financing role may have become comparatively minor. Sources in 2001 could also have included Jamaa Al-Islamiyya and Islamic Jihad, both associated with…

Originally uploaded to English Wikipedia by Glen Larson (en:User:Glenlarson), February 17, 2005.
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What was the Great Depression in Central Europe?

The Great Depression severely affected central Europe. The unemployment rate in Germany, Austria and Poland rose to 20% while output fell by 40%.By November 1932, every European country had increased tariffs or introduced import quotas. Under the Dawes Plan, the German economy boomed in the 1920s, paying reparations and increasing domestic production. Germany’s economy retracted…

Khumbu Icefall - own photograph --Uwe Gille 12:05, 26 Apr 2005 (UTC)
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What can be done to prevent avalanches?

There are several ways to prevent avalanches and lessen their power and destruction; active preventative measures reduce the likelihood and size of avalanches by disrupting the structure of the snowpack; passive measures reinforce and stabilize the snowpack in situ. The simplest active measure is by repeatedly traveling on a snowpack as snow accumulates; this can…

Khumbu Icefall - own photograph --Uwe Gille 12:05, 26 Apr 2005 (UTC)
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How much do Everst guides earn?

An Everest guide typically earns about US$125 per climb. Most come from climbing families, raised on stories of wealth from climbs, and have relatively few other economic opportunities. Between 350 and 450 guides, most of them Sherpas, work each year during the climbing season.[1] A guide can earn up to $5,000 a year, compared to Nepal’s average…

Khumbu Icefall - own photograph --Uwe Gille 12:05, 26 Apr 2005 (UTC)
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What is the world’s highest mountain?

Mount Everest (also known in Nepal as Sagarmatha and in Tibet as Chomolungma) is the Earth‘s highest mountain. Its peak is 8,848 metres (29,029 ft) above sea level[1] and is the 5th furthest point from the centre of the Earth. Its massif includes neighboring peaks Lhotse, 8,516 m (27,940 ft); Nuptse, 7,855 m (25,771 ft) and Changtse, 7,580 m (24,870 ft). In 1856, the Great Trigonometric Survey of India established the first published height of Everest, then known as Peak XV, at 29,002 ft (8,840 m). The current…

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