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Exponentialist
Evolution - An Exponentialist View
Famous Exponentialists
Replicators - An Exponentialist View
A New Malthusian Scale
The Scales Of 70
Population Growth Models
Understanding Compound Interest
The Exponential Method
The Myth Of The Exponential Phase
An Exponentialist Glossary
What's New

 

What's New

9th to 31st August, 2012 Major changes to Malthusian Memes - An Exponentialist View.
8th August, 2012 Tidied up references on Reverend Malthus and Evolution. Minor changes to Malthusian Memes - An Exponentialist View.
7th August, 2012 Tidied up references on Malthus - An Exponentialist View. Also, fixed font on Albert Bartlett - An Exponentialist View.
11th July 2012 Minor changes to Exponentialist homepage.
10th July 2012 Minor changes to Malthusian Memes - An Exponentialist View, Grey Goo - An Exponentialist View and Human Global Ecophagy.
9th July 2012 Minor changes to Malthusian Memes - An Exponentialist View.
5th July 2012 Minor changes to Carl Sagan - The Secrets of the Universe.

Significant changes to The Myth Of The Exponential Phase (added a section on M. King Hubbert).

2nd July 2012 Minor updates to  Methods and Materials of Demography - Incorrect Use Of The Exponential Method, Gigantic Inevitable Famine, Human Global Ecophagy, Differential Reproduction, Human Replicators and Bacteria - An Exponentialist View.

Significant changes to Malthusian Memes - An Exponentialist View.

Added article Carl Sagan - The Secrets of the Universe.

26th June 2012 Added article Gigantic Inevitable Famine. Added a short section on Gigantic Inevitable Famine to Linear Growth versus Exponential Growth.
15th December 2011 Updated link to Total Midyear World Population for 1950 to 2050 AD on US Census Bureau  - Incorrect Use Of The Exponential Method and elsewhere.

Added a link to Legal Metrology, Metrication and Bytes from New Malthusian Scale article.

9th May 2011 Updated link to Total Midyear World Population for 1950 to 2050 AD on US Census Bureau  - Incorrect Use Of The Exponential Method and elsewhere
9th January, 2011 Minor updates to US Census Bureau  - Incorrect Use Of The Exponential Method.
8th January, 2011 Minor updates to US Census Bureau  - Incorrect Use Of The Exponential Method and Methods and Materials of Demography - Incorrect Use Of The Exponential Method.
1st January, 2011 Updates to US Census Bureau  - Incorrect Use Of The Exponential Method, Methods and Materials of Demography - Incorrect Use Of The Exponential Method, Calculating the Annual Percentage Yield And Continuous Compounding, Understanding Compound Interest and What Is Exponential?,
18th May, 2010 Minor updates to Human Global Ecophagy
4th February, 2010 Renamed  DoublingTime.htm back to DoublingMech.htm for  The Mechanism Of Population Doubling. Minor updates to What Is Exponential?
13th December, 2009 Updated Isaac Asimov - An Exponentialist View, Evolution - An Exponentialist View and Reverend Malthus And Evolution.
8th November, 2009 Renamed DoublingMech.htm to DoublingTime.htm for  The Mechanism Of Population Doubling. Updated Rabbits - An Exponentialist View.
24th October, 2009 Updated Rabbits - An Exponentialist View.
8th October, 2009 Updated Statcounter on Evolution - An Exponentialist View, Understanding Compound Interest, Exponentialist homepage and Glossary. Minor updates to Human Global Ecophagy.
5th October, 2009 Updated Reverend Malthus And Evolution
30th September, 2009 Updated Isaac Asimov - An Exponentialist View and Human Global Ecophagy.
24th September, 2009 Added Death By Replication. Minor updates to Replicators, Cellular Replicators - An Exponentialist View, Viral Replicators - An Exponentialist View, Rabbits - An Exponentialist View and Dawkins - An Exponentialist View.
23rd September, 2009 Updated Viral Replicators - An Exponentialist View, in particular the argument against cellular chauvinism. Minor updates to Exponentialist homepage, Cellular Replicators - An Exponentialist View and Bacterial Replicators - An Exponentialist View.
23rd September, 2009 Updated Dawkins - An Exponentialist View (and added the term Dawkins Law throughout the site). Minor updates to Lars Witting - An Exponentialist View, The Mechanism of Population DoublingReplicators, Bacterial Replicators - An Exponentialist View, Rabbits - An Exponentialist View and Viral Replicators - An Exponentialist View.
22nd September, 2009 Updated Lars Witting - An Exponentialist View. Added Rabbits - An Exponentialist View, and added reference to Fibonacci numbers on Population Growth Models page.
21sr September, 2009 Updated Replicators page and Glossary.
18th September, 2009 Added Lars Witting - An Exponentialist View.
17th September, 2009 Added Isaac Asimov - An Exponentialist View. Minor updates to Evolution - An Exponentialist View and Human Global Ecophagy. Updated links throughout site to Exponentialist Glossary definition of Limit to Growth.
16th September, 2009 Updates to Reverend Malthus And Evolution and Evolution - An Exponentialist View.
15th September, 2009 Updates to Reverend Malthus And Evolution (including a section on the Malthusian Parameter), minor updates to Human Global Ecophagy and Dawkins - An Exponentialist View, added reference citations and Drexler's definition of exponential to K. Eric Drexler - An Exponentialist View, and minor changes and added reference citations to Marshall T. Savage - An Exponentialist View.
14th September, 2009 Updated article on Human Global Ecophagy and minor update to Generation and Population Doublings (included Carl Sagan reference).
2nd September, 2009 Updated Generation and Population Doublings.
1st July, 2009 Updated link to Total Midyear World Population for 1950 to 2050 AD on US Census Bureau  - Incorrect Use Of The Exponential Method and elsewhere (it changed from html to php)
5th June, 2009 Fixed broken links throughout site. Updated Continuous Compounding, Compound Interest and Exponential Growth section to What Is Exponential?
27th May, 2009 Updated several pages to correct explanation of how to calculate daily exponential rate. Added Continuous Compounding, Compound Interest and Exponential Growth section to What Is Exponential?
22nd January, 2009 Updated article on Human Global Ecophagy.
6th January, 2009 Added article on Human Global Ecophagy.
3rd December, 2008 Updated US Census Bureau  - Incorrect Use Of The Exponential Method to reflect latest figures from Us Census Bureau (which fail to correct their miscalculations), and made other small improvements to the article.
18th November, 2008 Updated Exponentialist Glossary with definition of Natural Logarithm, and added links to this from throughout the site.
23rd September, 2008 Updates to Peter Turchin - An Exponentialist View
18th September, 2008 Added section "Julian Simon - Doomslayer" to  Paul R. Ehrlich and the prophets of doom - An Exponentialist View. Added Romer reference and made other minor updates to Albert Bartlett - An Exponentialist View. Added "Malthusian Views Versus Exponentialist Views - Summary" to Exponentialist homepage. Minor updates to Linear Growth versus Exponential Growth, Population Growth Models and What Is Exponential?
17th September, 2008 Updates to  Paul R. Ehrlich and the prophets of doom - An Exponentialist View and Albert Bartlett - An Exponentialist View.
16th September, 2008 Minor updates to  What Is Exponential?, The Rule Of 70 and The Rule Of 72 Compared, Scales of 70, and The Scales of e. Removed Fractional Exponential Growth from Paul R. Ehrlich and the prophets of doom - An Exponentialist View.
5th September, 2008 Updates to Malthus - An Exponentialist View, and more updates to Paul R. Ehrlich and the prophets of doom - An Exponentialist View. Added Thomas Robert Malthus - Principle Of Population (an attempt to reconstruct Malthus' core argument).
4th September, 2008 Renamed Memes - An Exponential View to Malthusian Memes - An Exponentialist View, and made further updates to it.  Renamed Two Centuries Of Exponential Growth to The Myth Of The Exponential Phase and made further updates to it. Also updated Paul R. Ehrlich and the prophets of doom - An Exponentialist View, Differential Reproduction and Bacteria - An Exponentialist View.
3rd September, 2008 Renamed An Essay On The Principle Of Differential Replication, As Applied To Certain Mental Viruses (or Memes) to Memes - An Exponential View, and made significant updates to the article. Added first draft of Differential Reproduction.
2nd September, 2008 Added Methods and Materials of Demography - Incorrect Use Of The Exponential Method, and updated US Census Bureau  - Incorrect Use Of The Exponential Method.
14th January, 2007 Added example calculation, plus changes pertaining to APR and APY, to  Calculating the Exponential Factor For Continuous Compounding. Renamed to  Calculating the Annual Percentage Yield And Continuous Compounding.

Fixed minor typos in Two Centuries Of Exponential Growth, Exponential Brownian Motion, Malthus - An Exponential View and Homepage

6th January, 2007 Added Positive and Negative Growth Compared. Moved Negative Growth and Positive Growth to Understanding Compound Interest. Minor changes to The Rule Of 70 and The Rule Of 72 Compared and the Scales of 70
29th December, 2006 Minor updates to Exponential Brownian Motion (or Geometric Brownian Motion), the Scales of e, Peter Turchin - An Exponentialist View, Albert Bartlett - An Exponentialist View and What Is Exponential?
27th December, 2006 Renamed Loans, Investments and Compound Interest to Exponential Brownian Motion (or Geometric Brownian Motion), and made minor updates to the article. Moved article to Population Growth Models
11th December, 2006 Minor change to Exponential homepage (I'm now a certified software test professional).
5th December, 2006 Expanded Understanding Compound Interest and minor changes elsewhere.
29th November, 2006 Minor changes to The Rule Of 70 and The Rule Of 72 Compared, Peter Turchin - An Exponentialist View and Paul R. Ehrlich and the prophets of doom - An Exponentialist View.
28th November, 2006 Minor changes to The Rule Of 70 and The Rule Of 72 Compared. Minor corrections to Bacteria - An Exponentialist View and Cellular Replicators - An Exponentialist View
8th November, 2006 Minor change to Albert Bartlett - An Exponentialist View
31st October, 2006 Added Understanding Compound Interest and Exponential Brownian Motion (formerly Loans, Investments and Compound Interest )
27th October, 2006 Minor changes to Positive Growth - Constant Rate, Negative Growth - Constant Rate, and The Mechanism of Population Doubling
24th October, 2006 Minor change to The Scales of e
23rd October, 2006 Minor addition to Albert Bartlett - An Exponentialist View
20th October, 2006 Minor changes to Peter Turchin - An Exponentialist View and The Rule Of 70 and The Rule Of 72 Compared.
19th October, 2006 Minor addition to Albert Bartlett - An Exponentialist View. Added Peter Turchin - An Exponentialist View
16th October, 2006 Significant changes to What Is Exponential? Added Albert Bartlett - An Exponentialist View
12th October, 2006 Minor improvements to Human Replicators
9th October, 2006 Minor improvements to The Rule Of 70 and The Rule Of 72 Compared
27th September, 2006 Updated Linear Growth versus Exponential Growth with Malthus is Wrong and Malthus is Right sections. Replaced Linear Vs Exponential graph on Malthus - An Exponential View.
6th September, 2006 Corrected some typographical errors.
24th March, 2006 Deleted Average annual population change column from Table 2 in US Census Bureau  - Incorrect Use Of The Exponential Method article (unnecessary).  Moved Average annual population change column to last column on the right, and changed to "Average annual population change" (black font).  
23rd March Amended external links on Human Replicators
18th March, 2006 Minor updates to The Exponential Method for clarification.
14th March, 2006 Minor changes to US Census Bureau  - Incorrect Use Of The Exponential Method.
13th March, 2006 Minor changes to US Census Bureau  - Incorrect Use Of The Exponential Method
8th March, 2006 Minor changes to US Census Bureau  - Incorrect Use Of The Exponential Method
28th February, 2006 Added The Differential Replication of Religions in Australia section (with graph) to Malthusian Memes
22nd February, 2006 Updated Malthusian Memes
14th February, 2006 Added Malthusian Memes article.
9th February, 2006 Added Exponential Assembly article (formerly An Essay On The Principle Of Differential Replication, As Applied To Certain Mental Viruses (or Memes)).
8th February, 2006 Minor updates to The Exponential Method for clarification.
3rd February, 2006 Improved World Population table and notes for US Census Bureau  - Incorrect Use Of The Exponential Method

Added The Exponential Method, and made US Census Bureau  - Incorrect Use Of The Exponential Method and Calculating the Annual Percentage Yield For Continuous Compounding children of this new article.

Expanded scope of Exponentialist theory in the first paragraph of the Exponentialist homepage.

29th January, 2006 Added  corrected World Population table to US Census Bureau  - Incorrect Use Of The Exponential Method, plus minor changes.
4th January, 2006 Minor correction and amendments to The Scales of e.
16th December, 2005 Added links to A Crude Guide To Energy Levels In The Solar System (which introduces the concept of Heliovores, and the Nanosphere) to Grey Goo - An Exponentialist Explanation. Amended title of Marshall T. Savage - An Exponentialist Assessment to Marshall T. Savage - An Exponentialist View 
9th December, 2005 Added Calculating the Annual Percentage Yield For Continuous Compounding
22nd November, 2005 Updated Linear Growth versus Exponential Growth
21st October, 2005 Added information and links relating to Euler and Napier to the Glossary. Also added a link in the Glossary to Malthus' use of the Exponential Method in the 6th Edition of his Essay On The Principle Of Population.
16th September, 2005 Renamed US Census Bureau example to US Census Bureau  - Incorrect Use Of The Exponential Method
9th September, 2005 Tidied up presentation, and expanded US Census Bureau example, as the same Exponential Method error occurs for US national population figures.
5th September, 2005 Added US Census Bureau example, which explore a mathematical error in the calculations made by the US Census Bureau using the Exponential Method for global population figures. The article proposes that the underlying cause of the failure to spot this error was the failure to recognise the validity of the variable rate compound interest growth model (Couttsian Growth Model) in its own right.
2nd September, 2005 Corrections to The Rule Of 70 and The Rule Of 72 Compared. Minor updates to Scales Of 70.
31st August, 2005 Updates to Scales Of 70, Scales Of e and The Rule Of 70 and The Rule Of 72 Compared to reflect what actually happens when a growth rate are applied for the periods required by the Rule Of 70 and Rule Of 72. Negative and positive growth factors for any given rate are then compared.
25th August, 2005 Amended Scales Of 70 to include reference to the exponential factor. Added the Scales Of e
24th June, 2005 Tidied up The Rule Of 70 and The Rule Of 72 Compared and Rules Of Population pages. Deleted reference to old example 9 in Scales Of 70. Added sections "Arithmetic Mean And Geometric Mean", plus  "What Is Exponential, Anyway?" to Scales Of 70. Tidied up references to Malthus' Exponential Law throughout the Exponentialist web site.
8th June, 2005 Minor correction to new example 9 in Scales Of 70
3rd June, 2005 Deleted Scales Of 70 Example 9 page. Added The Rule Of 70 and The Rule Of 72 Compared. Moved discussion on Rule Of 110, Rule Of 140 and Rule Of X to Rules Of Population page. Thanks to feedback from Dr. Math, added Balancing The Scales For Negative Growth to the Scales Of 70.
20th May, 2005 Updates to Malthus - An Exponentialist View. Mention of Rule Of 72 in Scales Of 70, and added two more examples to the section Mixing Positive and Negative Growth. Removed broken link from Scales Of 70.
8th April, 2005 Updates to  Logistic Versus Exponential GrowthWallace and Malthus - An Exponentialist View. Fixed some broken links.
2nd April, 2005 Added graphs to Logistic Versus Exponential Growth and Paul R. Ehrlich and the prophets of doom - An Exponentialist View
1st April, 2005 Updated Glossary with entries for Neo-Malthusian Theory and Malthusian Catastrophe. Updated Logistic Versus Exponential Growth article. Added Exponential Growth graph to The Mechanism Of Population Doubling and What Is Exponential?
4th November, 2004 Updated  Generations and Population Doubling
2nd November, 2004 Updated What Is Exponential?
29th October, 2004 Added What Is Exponential?
21st August, 2004 Added As Plain As The Nose On Your Face (a tribute to Sir Julian Huxley) to the Compound Growth vs. Exponential Growth page. 
11th June, 2004 Added Nanotechnology and Darwin's Wedge (a response to Drexler's recent retreat from the Grey Goo threat) to Darwin - An Exponentialist View
14th December, 2003 Added quote from W. Busch on Exponentialist homepage
15th November, 2003 Minor updates to Bacteria - An Exponentialist Explanation and Logistic Growth versus Exponential Growth
10th November, 2003 First draft of Bacteria - An Exponentialist Explanation
8th October, 2003 Updated  Generations and Population Doubling
6th October, 2003 Added "We Are Family" section to Generations and Population Doubling
27th July, 2003 Minor changes to Virus, Growth Models and Glossary. Added Generations and Population Doubling
22nd June, 2003 Further changes to Growth Models (mainly around Population Dynamics).
19th June, 2003 Added terms used in population dynamics (e.g.. endogenous, exogenous, deterministic), and other  changes to Glossary and Growth Models
17th June, 2003 Added Exponential Growth and The Calculus to Growth Models page.
28th May, 2003 Updated Paul R. Ehrlich and the prophets of doom - An Exponentialist View with Addendum - John Maddox and The Doomsday Syndrome. Minor updates to Glossary.
6th May, 2003 Updated Dawkins - An Exponentialist View to include an aside on John Maynard Smith.
22nd April, 2003 Minor updates to Growth Models, Scales Of 70, Linear Growth versus Exponential Growth and Compound Growth Vs Exponential Growth (added e and the law of compound interest after reading e: the story of a number by Eli Maor).
13th April, 2003 Improved animated GIF on New Malthusian Scale page, and minor update to Malthus - An Exponentialist View (added quote in which Malthus declares repeated doubling of food produce impossible).
6th April, 2003 Animated graphics added to Scales Of 70 and Growth Models
1st April, 2003 Significant updates to Scales Of 70 to reflect significance of transcendental number e to Couttsian Growth Model.
20th March, 2003 Added Stochastic to Glossary, and updated Growth Models
16th March, 2003 Changes to Reverend Malthus And Evolution
12th March, 2003 Fixed links broken in yesterday's updates, and finished first draft of Reverend Malthus And Evolution.  
11th March, 2003 Updated Glossary to include Couttsian Growth, Couttsian Shrinkage, and Couttsian Growth Model. This necessitated changes throughout the Exponentialist site as variable rate Couttsian Growth was previously included in the definition of exponential growth, variable rate Couttsian Shrinkage was previously included in the definition of exponential shrinkage, and the Malthusian  Growth Model was previously deemed to include population growth driven by variable rate and constant rate compound interest
9th March, 2003 Updated Growth Models, Compound Growth Vs Exponential Growth, Logistic Growth versus Exponential Growth, Glossary and Exponentialist Homepage.
3rd March, 2003 Added article Compound Growth Vs Exponential Growth, and updated  Glossary and Exponentialist Homepage
27th February, 2003 Updates to Glossary and Exponentialist Homepage, plus minor changes to Ehrlich   Dawkins, Population Doubling Mechanism, Linear Growth versus Exponential Growth, Logistic Growth versus Exponential Growth and Two Centuries Of Exponential Growth.
26th February, 2003 After reading articles by Joseph M. Mahaffy on Exponential Growth and Logistic Growth, I updated the Glossary and articles on Linear Growth versus Exponential Growth and Logistic Growth versus Exponential Growth, plus minor changes to the Exponentialist Homepage, Humans, and Ehrlich.
11th February, 2003 Added Logistic Growth versus Exponential Growth, plus updated bibliography and minor updates to Malthus - An Exponentialist View.
24th December, 2002 Moved from Ozemail to Optusnet. Added When is a Megabyte not a Megabyte?  footnote on New Malthusian Scale page.
21st April, 2002 Added Benjamin Franklin quote and link to article Malthus - An Exponentialist View.
30th March, 2002 Updated Dawkins - An Exponentialist View and added Species to Glossary.

Added article Two Centuries Of Exponential Growth.

11 March, 2002 Created the following pages:

Population Doubling Mechanism 

New Malthusian Scale 

16 December, 2001 Added Linear Growth versus Exponential Growth, and minor updates to Glossary, Positive Growth - Constant Rate and Negative Growth - Constant Rate
27 November, 2001 Updates to Savage and Malthus.
18 November, 2001 Minor changes to Scales Of 70
13 November, 2001 Added Positive Growth - Constant Rate and Negative Growth - Constant Rate, plus further updates to Glossary.
11 November, 2001 Added links to Glossary from Cells, Grey Goo, Humans, Virus, Darwin, Drexler, Savage and Wallace. More updates to the Glossary, plus amendments to Scales Of 70.
8 November, 2001 Minor amendments to Dawkins, plus added links from Glossary to Dawkins and Exponentialist page.
5 November, 2001 Updated Scales Of 70 article, and expanded Fractional Exponential Growth in Erhlich.
3 November, 2001 Updated Index and Human Replicators with quotes from Carl Sagan. Minor amendment to Dawkins. Updated numerous pages to reduce table sizes to A4 page width, and correct background colour on some table cells (apparent on some older browsers). 
27 October, 2001 Added Scales Of 70 article.
14 October, 2001 Amendments to Dawkins and Ehrlich.
07 October, 2001 Slight amendments to Replicators, Glossary, Viral Replicators, Savage and Dawkins.
03 October, 2001 Added "replicator population", redefined "population", amended "living entity" and deleted "Replicatee" from Glossary.  Updated Replicators page. Created this What's New page.
   

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Copyright 2001 David A. Coutts
Last modified: 31 August, 2012