{"id":1646,"date":"2014-02-17T17:54:32","date_gmt":"2014-02-17T22:54:32","guid":{"rendered":"http:\/\/www.planetsusan.org\/?p=1646"},"modified":"2014-02-19T09:18:48","modified_gmt":"2014-02-19T14:18:48","slug":"new-post","status":"publish","type":"post","link":"https:\/\/www.planetsusan.org\/?p=1646","title":{"rendered":"New Post"},"content":{"rendered":"<p>It seems to me that writing is like exercising.\u00a0 Once you start and get in the habit, the words and the reps just flow.\u00a0 But get out of the groove, and to begin again is to fear pain.\u00a0 My thighs always hurt after I restart the exercise bike.\u00a0 And my brain hurts thinking about stringing words together to try to say something cogent.\u00a0 But Michael wrote a lovely piece about the Marlins, which oh by the way got &#8216;retweeted&#8217; by the Marlins announcer, so Wow!\u00a0 If he can find time amongst his heavy school load, I will make time and gird my fingers and brain to write again.\u00a0 It&#8217;s good therapy anyway &#8211; just like riding the stationary bike.<\/p>\n<p>So this is what I&#8217;ve been thinking about today &#8211;\u00a0<a href=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/Cosmology-pic.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1647\" alt=\"Cosmology pic\" src=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/Cosmology-pic.jpg\" width=\"269\" height=\"187\" \/><\/a> Cosmology&#8230;and the meaning of life.\u00a0 Trivial subjects suitable for my Facebook page, you say?\u00a0 Well, I never denied being a nerd, and enjoying being a nerd.\u00a0 So there!\u00a0 <a href=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/meaning-of-life-pic.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-1648\" alt=\"meaning of life pic\" src=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/meaning-of-life-pic-300x168.jpg\" width=\"300\" height=\"168\" srcset=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/meaning-of-life-pic-300x168.jpg 300w, https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/meaning-of-life-pic-500x281.jpg 500w, https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/meaning-of-life-pic.jpg 650w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>So what&#8217;s this all about Alfie?\u00a0 Re-reading sections of Michio Kaku&#8217;s book <span style=\"text-decoration: underline;\">Visions<\/span>, and watching Stephen Hawking on &#8220;The Meaning of Life&#8221; from his <span style=\"text-decoration: underline;\">Grand Design<\/span> series, available on Netflix.\u00a0 I also went back to Arthur C. Clarke&#8217;s original short story from 1951 &#8220;The Sentinel&#8221;, which formed the basis for Stanley Kubrick&#8217;s immortal <span style=\"text-decoration: underline;\">2001 &#8211; A Space Odyssey<\/span> released in 1969, I think &#8230; wait a sec, I&#8217;ll check.\u00a0 Hold please&#8230;nope &#8211; 1968.\u00a0 Guess we didn&#8217;t see it until a year later&#8230;well, we were very poor in 1968.<\/p>\n<p>Back to Cosmology and the Meaning of Life&#8230;Chapter 15 of Kaku&#8217;s <span style=\"text-decoration: underline;\">Visions<\/span>:\u00a0 Toward a Planetary Civilization&#8221;, starts on page 322.\u00a0 This is assigned reading so read and we&#8217;ll discuss.\u00a0 Just kidding.\u00a0 Kaku is a master at making very complex subjects fairly understandable for us non-physicists.\u00a0 I could describe it in detail, but I&#8217;d rather share what I found to be mind bending in this chapter:<\/p>\n<ul>\n<li>Astronomer Nikolai Kardashev introduced a concept of civilizations, and labeled them Type I, II and III, based on the natural progression of <strong>energy consumption<\/strong>.<a href=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/energy.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1649\" alt=\"energy\" src=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/energy.jpg\" width=\"259\" height=\"194\" \/><\/a><\/li>\n<li>&#8220;&#8230;any civilization in outer space will rely successively on three main sources of energy: their planet, their star and their galaxy, corresponding to Types I, II and III civilizations, respectively.\u00a0 The energy output of each civilization is roughly 10 <strong>billion<\/strong> times larger than the previous one.&#8221;<\/li>\n<li>Economic growth is fueled by increased consumption of energy.<\/li>\n<li>Astrophysicists have searched for life by analyzing characteristic &#8220;energy signatures&#8221;<\/li>\n<li>&#8220;Our civilization is so new that even a hundred years ago we still got most of our energy from burning wood and coal, and any discussion of extraterrestrial energy sources would have been considered madness.&#8221;\u00a0 So we&#8217;re Type Zero!<\/li>\n<\/ul>\n<p>Of the three transitions, the most perilous &#8211; and likely the one that potentially destroyed other civilizations out there (hypothetically anyway) is the transition from Type 0 to Type I.\u00a0 Why?\u00a0 Let&#8217;s think of a few reasons:<\/p>\n<ol>\n<li>Sectarian, fundamentalist, nationalist hatreds leading to war and genocide;<a href=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/sectarian-war.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1652\" alt=\"sectarian war\" src=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/sectarian-war.jpg\" width=\"211\" height=\"119\" \/><\/a><\/li>\n<li>The discovery of the power of the atom and development of nuclear weapons;<\/li>\n<li>The discovery of the power of chemistry with pollution and accompanying toxic threats<\/li>\n<\/ol>\n<p><a href=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/nuclear-war.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-1653\" alt=\"nuclear war\" src=\"https:\/\/www.planetsusan.org\/wp-content\/uploads\/2014\/02\/nuclear-war.jpg\" width=\"189\" height=\"118\" \/><\/a>So the good news here is that we are just beginning our lives as a civilization on this planet, with lots to look forward to, if we can avoid the hazards of self-destruction brought on by any or all the above. Oh, and don&#8217;t forget the potential for natural disasters to exterminate large quantities of us,\u00a0 like meteor strikes, global warming, solar flares, the shift in the magnetic poles, the eruption of a supervolcano like Yellowstone (it is overdue, you know&#8230;) Whew&#8230;makes your head spin.<\/p>\n<p>Tomorrow I&#8217;ll discuss the meaning of life espoused by Stephen Hawking with an adjunct theory posited by Matthew McConaughey&#8217;s character in <span style=\"text-decoration: underline;\">True Detective<\/span>.\u00a0 Stay tuned.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It seems to me that writing is like exercising.\u00a0 Once you start and get in the habit, the words and the reps just flow.\u00a0 But get out of the groove, and to begin again is to fear pain.\u00a0 My thighs &hellip; <a href=\"https:\/\/www.planetsusan.org\/?p=1646\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1646","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=\/wp\/v2\/posts\/1646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1646"}],"version-history":[{"count":6,"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=\/wp\/v2\/posts\/1646\/revisions"}],"predecessor-version":[{"id":1675,"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=\/wp\/v2\/posts\/1646\/revisions\/1675"}],"wp:attachment":[{"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.planetsusan.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}