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23 Oct 09

中国“反坝”运动中的媒体的力量_网易新闻中心

  • 中国“反坝”运动中的媒体的力量


    2009-10-22 10:45:00　来源: 科学新闻(北京)　跟贴 37 条 手机看新闻

    “世界上并没有哪个组织是真正反坝的，要么他们是因为想要保持纯原生态，要么是因为他们的某个在意的利益点被影响，才会导致他们表现出来对于大坝的反对。”一位对反坝有研究的水利水电专家对《科学新闻》解释。

14 Sep 09

Flatland (2007) (V)

  • "Flatland: A Romance of Many Dimensions" was originally an 1884 novella by the theologian and mathematician Edwin A. Abbott. It is popular among mathematics and computer science students, and considered useful reading for people studying topics such as the concept of other dimensions.
  • "Flatland: A Romance of Many Dimensions" was originally an 1884 novella by the theologian and mathematician Edwin A. Abbott. It is popular among mathematics and computer science students, and considered useful reading for people studying topics such as the concept of other dimensions.
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08 Sep 09

Magnetic Monopoles Detected In A Real Magnet For The First Time

  • Among others, in 1931 the physicist Paul Dirac was led by his calculations to the conclusion that magnetic monopoles can exist at the end of tubes – called Dirac strings – that carry magnetic field.
  • a single crystal of Dysprosium Titanate
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Researchers Claim to Cook Up Isolated Magnetic Poles: Scientific American

  • a yin unbound from its yang.
  • this method of synthesizing monopoles cannot bring a north into existence without also generating a south—the key is their dissociation
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22 Aug 09

Technology Review: Blogs: Delta-V: How Nasa's New Moon Probe Communicates

  • What???
    "Without such a system, it would be nearly impossible to gather the necessary data to find a safe landing site or to properly understand the environmental characteristics relavent (sic) to future human missions"

    Tell that to the Apollo guys.

Sleep - Wikipedia, the free encyclopedia

10 May 09

前NASA气象学家洛夫洛克宣判地球死刑_科学探索_科技时代_新浪网

  • 前NASA气象学家洛夫洛克宣判地球死刑
  • 越来越多的人将这名90岁老人称为“绿色英雄”。他的书一次次地引起人们的注意。洛夫洛克的言论越来越悲观，但一直未受到主流科学界的重视。也许真会有一天，大家会发现他是对的？
02 May 09

Popular Science

  • Will Congress pass a law that bans BPA (bisphenol-A) in consumer goods?
  • the chemicals in everyday plastics could be responsible for a slew of nasty side effects, including behavioral and reproductive problems

Popular Science

  • Will researchers in the U.S. find the "God Particle" before researchers in Geneva do?
  • Large Hadron Collider

Readers Wonder: Are Artificial Sweeteners Killing Me? | Popular Science

  • Sucralose (Splenda) as well as aspartame and others, are generally recognized as safe (GRAS) by the Food and Drug Administration. Still, so was cyclamate until it was banned. How do you feel about making substances with a relatively short culinary track record part of your diet? Sort of like a guinea pig?
10 Apr 09

越科技，越危险？--南都周刊

  • 1967年，瑞典从左向驾驶改为右向驾驶，许多人预计交通事故会增加。但实际上，交通事故率明显下降，并且花了一年时间才恢复到以往的概率。改变所带来的对交通事故的惧怕感，导致人们更加小心驾驶。这个教训就是：熟悉滋长了懈怠，改变则引起警觉。
  • 荷兰的交通大师汉斯·蒙德曼曾经说：“如果你把一个人当做白痴对待，他的行为就会变成白痴那样。”
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19 Mar 09

Technology Review: Mapping a City's Rhythm

  • Mapping a City's Rhythm




    A phone application highlights hot spots and will soon show where different urban "tribes" gather.

05 Feb 09

Scientists find world's biggest snake : Nature News

  • We've taken the snake and turned it into a giant thermometer
23 Jan 09

科学家发现达尔文生命进化树理论不正确_科学探索_科技时代_新浪网

  • 越来越多的细菌、动、植物的基因测试显示，异种交配要比我们原来想像得多，这意味着基因并不是简单地遗传给生命树上的个别枝条，它们还在物种之间以不同的进化路径进行转换。其结果是一个杂乱无章且更为缠结的“生命网”。
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