Does the Logistic Shoe Fit?
This is a quick update regarding the first plot shown in the galactic scale energy post. A reader, Chris, called attention to the obvious departure from exponential growth in recent decades. The post...
View ArticleDiscovering Limits to Growth
After inaugurating the Do the Math blog with two posts on the limits to physical and economic growth, I thought it was high time that I read the classic book The Limits to Growth describing the 1972...
View ArticleThe Energy Trap
[This topic also appears in Chapter 18 of the Energy and Human Ambitions on a Finite Planet (free) textbook.] Many Do the Math posts have touched on the inevitable cessation of growth and on the...
View ArticleTuning in on Noise?
It’s a bit off-topic for the series, but I can’t even go to Google now without being reminded of the World Cup and soccer this, soccer that. (Apologies to non-Americans who know the sport as...
View ArticleFinite Feeding Frenzy
You may be aware that our food industry is heavily dependent on fossil fuels, to the point that it takes about 10 kcal of energy input to deliver 1 kcal of consumed food. The enormous energy multiplier...
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