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Nagai Toshiya Dotcom
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A Philosophical Adventure Beyond the Boundaries of Scientific Disciplines
A Philosophical Adventure Beyond the Boundaries of Scientific Disciplines

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Kurzweil published The Singularity Is Near: When Humans Transcend Biology in 2005 and predicted that human life will be transformed to transcend the current biological limitations from 2045 on. More and more people believe in the technological singularity…
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I have changed my Google+ Page's name in accordance with the change of the website's name. The new Google+ Page's name is the same as that of the new website: Nagai Toshiya Dotcom. I hope you will not find the new name inappropriate.
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I have decided to integrate the contents placed in four websites into a new domain nagaitoshiya.com from August 1, 2015 on. The URLs of Systemics Blog and Systemics Archive are automatically redirected respectively to those of the new website, Nagai Toshiya Dotcom, while those of Systemics Wiki and Systemics Forum are redirected to its portal page.

I used to have MovableType manage my contents in a single domain, Nagaitosiya.com, but introduced three other content management systems (WordPress, MediaWiki, phpBB) to other three domains on January 1, 2011, partly because I was not sure of the continuing use of MovableType. Therefore I decided to add new contents to these three websites, while I left old contents as HTML files without updating MovableType.

Four year experience tells me that WordPress is the easiest to maintain of the four systems. WordPress has far more users than MediaWiki and phpBB, which makes troubleshooting easier. So, I decided to have WordPress manage all contents to minimize the maintenance cost. It would be also preferable for readers to take a look at the entire index at a page.

I preferred MediaWiki to WordPress, because the former is suited to compile a systematic theory, while the latter produces fragmentary blog articles in chronological order. Now that the publication of eBooks takes the place of the wiki site, I have made my wiki site private, using it merely as a HTML editor rather than CMS. The forum site has also become unnecessary, because you can make comments on almost all contents.

The URL of the new website is https://nagaitoshiya.com. The URL scheme, https, means HTTP connections secured using SSL/TLS. You can safely register your email address and send emails from a contact form. The domain without the 'www' prefix is convenient to display the whole URL in a narrow address bar of the mobile browser. I hope you like the new website.
Nagaitoshiya.com
Nagaitoshiya.com
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Here is the list of my books at the Author Page of Amazon.com.

http://www.amazon.com/author/nagai

Currently all of my books are written only in Japanese, but I will publish English books in the future.
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Most of people believe that material recycling is the true recycling and thermal recycling is a fake. But the conventional material recycling is actually downcycling, whereas thermal recycling by the gasification system can realize more radical recycling. That is to say, what was thought to be the genuine recycling is deceptive, whereas what was thought to be the deceptive recycling is genuine. This recognition leads to reconsideration of the role that the government must play to promote recycling.

https://www.nagaitoshiya.com/en/2014/recycling/
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Georgescu-Roegen coined the fourth law of thermodynamics according to which matter continuously and irrevocably degrades from an available to unavailable state in a closed system including the Earth and predicted that we would soon arrive at the state of maximum entropy, material death rather than heat death. He also insisted that recycling could not avoid this material death, because the ideal of complete recycling is based on the illusion of the thermodynamically impossible perpetual motion. But what he called the fourth law of thermodynamics is false. A closed system such as the Earth can reduce material entropy in exchange for increasing thermal entropy, keeping the former low by dumping the latter in outer space. That is to say, the sustainable economy based on recycling is possible, at least theoretically.

https://www.nagaitoshiya.com/en/2014/georgescu-roegen-entropy/
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Clausius, one of the main founders of the modern thermodynamics, is the originator of the term “entropy,” but before this coinage he used an expression “equivalence value of transformations” instead. The term “entropy,” which is now used as a physical term, was originally economically conceived as equivalent value of exchange. Thermodynamics itself was a field of physics that was economically motivated to improve the thermal efficiency of heat engines. So, it was half physics and half economics. Apart from Clausius’s interest, the term has now become an important keyword for solving the environment and resource problems.

https://www.nagaitoshiya.com/en/2014/clausius-entropy/
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A heat engine is a device that repeatedly converts thermal energy into kinetic energy. It needs the difference of temperature and a working substance with high rate of expansion to do a useful work for us. It can be done in two ways: by means of the change of volume of the working substance that hot and cold reservoirs make alternately expand or compress, and by means of convection that the change of density resulting from the change of volume causes. A heat engine is not confined to an artificial one. The Earth also does a useful work for living systems as a heat engine. The heat engine whose hot reservoir is solar radiation heat maintains the circulation of air and water, while the heat engine whose hot reservoir is geothermal heat maintains the circulation of mantle and mineral nutrition.

https://www.nagaitoshiya.com/en/2013/heat-engine/
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