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  <id>tag:dreamwidth.org,2009-05-03:244784</id>
  <title>The Packbats' Weblog</title>
  <subtitle>packbat</subtitle>
  <author>
    <name>packbat</name>
  </author>
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  <updated>2010-08-24T16:44:59Z</updated>
  <dw:journal username="packbat" type="personal"/>
  <entry>
    <id>tag:dreamwidth.org,2009-05-03:244784:289843</id>
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    <title>STS-124 Launch: Solid Rocket Booster Video+Audio</title>
    <published>2010-08-24T16:44:59Z</published>
    <updated>2010-08-24T16:44:59Z</updated>
    <category term="youtube"/>
    <category term="science"/>
    <category term="read time: few minutes"/>
    <category term="multimedia"/>
    <category term="geekery"/>
    <dw:mood>geeky</dw:mood>
    <dw:security>public</dw:security>
    <dw:reply-count>0</dw:reply-count>
    <content type="html">Via &lt;span style='white-space: nowrap;'&gt;&lt;a href='https://egypturnash.dreamwidth.org/profile'&gt;&lt;img src='https://www.dreamwidth.org/img/silk/identity/user.png' alt='[personal profile] ' width='17' height='17' style='vertical-align: text-bottom; border: 0; padding-right: 1px;' /&gt;&lt;/a&gt;&lt;a href='https://egypturnash.dreamwidth.org/'&gt;&lt;b&gt;egypturnash&lt;/b&gt;&lt;/a&gt;&lt;/span&gt;. Video is a bit monotonous for first two minutes, but the wait is worth it.&lt;br /&gt;&lt;br /&gt;&lt;object width="480" height="385"&gt;&lt;param name="movie" value="http://www.youtube.com/v/3uk_viH4Unw?fs=1&amp;amp;hl=en_US&amp;amp;rel=0"&gt;&lt;/param&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;/param&gt;&lt;param name="allowscriptaccess" value="sameDomain"&gt;&lt;/param&gt;&lt;embed src="http://www.youtube.com/v/3uk_viH4Unw?fs=1&amp;amp;hl=en_US&amp;amp;rel=0" type="application/x-shockwave-flash" allowscriptaccess="sameDomain" allowfullscreen="true" width="480" height="385"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;br /&gt;&lt;br /&gt;&lt;img src="https://www.dreamwidth.org/tools/commentcount?user=packbat&amp;ditemid=289843" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/&gt; comments</content>
  </entry>
  <entry>
    <id>tag:dreamwidth.org,2009-05-03:244784:283214</id>
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    <title>Arithmetic, Population, and Energy by Dr. Albert A. Bartlett</title>
    <published>2010-04-07T00:57:05Z</published>
    <updated>2010-04-07T00:57:05Z</updated>
    <category term="global"/>
    <category term="links"/>
    <category term="multimedia"/>
    <category term="read time: a minute"/>
    <category term="youtube"/>
    <category term="psa"/>
    <category term="link time: many minutes"/>
    <dw:mood>contemplative</dw:mood>
    <dw:security>public</dw:security>
    <dw:reply-count>0</dw:reply-count>
    <content type="html">Via &lt;span style='white-space: nowrap;'&gt;&lt;a href='http://roaminrob.livejournal.com/profile'&gt;&lt;img src='https://www.dreamwidth.org/img/external/lj-userinfo.gif' alt='[livejournal.com profile] ' style='vertical-align: text-bottom; border: 0; padding-right: 1px;' width='17' height='17'/&gt;&lt;/a&gt;&lt;a href='http://roaminrob.livejournal.com/'&gt;&lt;b&gt;roaminrob&lt;/b&gt;&lt;/a&gt;&lt;/span&gt;: &lt;a href="http://www.youtube.com/user/wonderingmind42#grid/user/6A1FD147A45EF50D"&gt;Arithmetic, Population, and Energy by Dr. Albert A. Bartlett&lt;/a&gt;, uploaded in eight parts. ~75 minutes.&lt;br /&gt;&lt;br /&gt;&lt;a href="http://www.youtube.com/watch?v=F-QA2rkpBSY"&gt;Part One&lt;/a&gt;.&lt;br /&gt;&lt;br /&gt;I've posted some links because I was curious about your opinion; this one I think is important, clear, and convincing. Unfortunately, I don't see a good way of summarizing it - wonderingmind42, who uploaded it, did a pretty iffy job with the title, in my book - but I'll try: the lecture is about the nature of steady percentage growth (e.g. 7%/year) and the policy implications that come out of the arithmetic. You don't need anything more than multiplication and division to follow the reasoning - the most difficult calculation is for the doubling time, and that goes&lt;br /&gt;&lt;br /&gt;years to double = 70 / % growth per year&lt;br /&gt;&lt;br /&gt;which is accurate to one part in twenty for any growth rate up to 12%/year.&lt;br /&gt;&lt;br /&gt;I think it's worth at least 90 minutes of your time - 75 minutes is a steal at the price.&lt;br /&gt;&lt;br /&gt;&lt;img src="https://www.dreamwidth.org/tools/commentcount?user=packbat&amp;ditemid=283214" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/&gt; comments</content>
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