PDF References

All references here are to PDF files available on LastTechAge


Physics

Fusion Energy Topics
APS request for help to defend budget support   2012 Dec 10 – Emergency request to contact Congress in support of research funds.
American Fusion Act of 1980  Text of this often-quoted act to release funding for the major advances in engineering that were in the air.


Mathematics

Mathematics – Brief Notes
Complex numbers

This Brief Notes section is a work-in-progress. When all the files have been listed, this text will disappear.

Imaginary i equals square root of -1

Brief-Complex 01 Why Imaginary  
Although i may look like nonsense, imaginaries are very actual

Brief-Complex with a Calculator  
How to find complex operations on the TI-84. Displays what operations ought to be on a device that is complex ready. + Overview of complex values

Brief-Complex 02 icon

Brief-Complex 02 Basic operations, variables on a complex plane 
Complex addition, subtraction, multiplication and division. Values on a complex plane. * UPLOAD to LastTechAge NOT YET COMPLETE *

Mathematics – Exponential Growth and Other Topics
Is Math Hard?   Math is not hard for someone who is prepared.  But start with addition, multiplication, division and exponentiation and build from there.
Math Perturbation Techniques and Epicycles   People laugh at epicycles but they were an early attempt to do perturbation theory modeling without the necessary math techniques.
The Chess Board Fable   Join us to save Kingdoms, rescue Princesses, invent warp drive.
Chess Board Fable – presentation form   Full screen slides for presentations
Rabbit Tales   Hop over to a true story of heaven, horror and survival.
Visualize Exponential Growth In Data Sets   Find exponential growth in data using log-linear graphs.
Start of Probability Theory – deMeer, Pascal, Fermat   Here is how all studies of probability and chance started.
Solutions to Bayesian examples   Mathematical solutions to the examples of Bayes’ Theorem given in our post Time Path – Probability began it.


Economics

2012 0706 NYT Paul Krugman Off and Out With Mitt Romney Paul Krugman essay on Romney’s qualifications
More Capitalism, Please    David Brooks 2012 Jul 17 essay on how great offshoring and outsourcing really are.
Brooks The Inequality Problem NYT 2014-0117   David Brooks 2014 Jan 17 essay on how the Left confuses everyone with Inequality arguments
Trends correlating with Saez-Piketty Inequality   Compilation of all the trends currently found to correlate with the data from Emmanuel Saez and Thomas Piketty.


Natural Resources

Patterns In World Oil Production   Analysis of production trends for major world producers. PDF form of our post (see Index for link).
EIA US Petroleum Exports Exceed Imports  for first time 1949-2011    These data disappeared from EIA web page at least once in 2012.
Estimating Reservoir Depletion   Algebraic for resource usage that grows exponentially until 1/2 of reservoir has been drained.
Modeling Depletion of a Reserve  Graphic models for startup, peak, and final production.


Visual Phenomena

Visual Color, Blackbody Emission, Color Temperature     Visual perception, color temperature, lots of diagrams. What’s a Blackbody?
How Fluorescents Work     How they work, why they fail

Charles J. Armentrout – Ann Arbor
Update 2022 May 02
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