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Andrew Woodman

Debate: Does the world need nuclear energy? | Video on TED.com - 0 views

www.ted.com/...world_need_nuclear_energy.html

energy nuclear power

shared by Andrew Woodman on 11 Jun 10 - Cached
  • Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons. A discussion that'll make you think -- and might even change your mind.
SeoYeon Yoon

Haiti Earthquake - What caused the disaster - 0 views

www.livescience.com/...rthquake-explainer-100113.html

hazards disasters haiti

shared by SeoYeon Yoon on 10 Feb 10 - Cached
  • SeoYeon Yoon on 10 Feb 10
     
    A brief text on Haiti earthquake - Causes (plate boundaries), Intensity, Infrastructure etc.
  • SeoYeon Yoon on 10 Feb 10
     
    The 7.0-magnitude Haiti earthquake would be a strong, potentially destructive earthquake anywhere, but it is an unusually strong event for Haiti, with even more potential destructive impact because of the weak infrastructure of the impoverished nation. Sliding plates: Earthquakes typically occur along the jigsaw-puzzle pieces of Earth's crust, called plates, which move relative to one another, most of the time at an imperceptibly slow pace. In the case of the Haiti quake, the Caribbean and North American plates Intensity and infrastructure: Another factor in the damage that a quake can cause is it intensity. While magnitude is a measurement of how much energy is released by an earthquake, intensity is "simply an estimate or a measure of how strongly that earthquake was felt," said Don Blakeman, an earthquake analyst with the United States Geological Survey.
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