7.10.2008 Bridge Doctors
In this audio feature, engineer Michael Todd explains how new sensing technologies may help detect structural problems within bridges before they become dangerous. Listen in.
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http://www.pbs.org/wgbh/nova/sciencenow/dispatches/080710.html


Alan或者说律师们有一种颠倒黑白的能力,任何道理从律师口中说出,都可以变一个味儿,而仔细思考一番,又会发现其中确实有道理,能说得通。所以律师给人的印象不佳,我们可以从以下这个