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Declining growth of technology

Posted by cmdl | May 18, 2020 @ 04:03 PM | 4,677 Views
Independent analysis, using Wikipedia data, corroborates Huebner's observation that technological growth has been in decline for about a century.

Pandemics typically have a negligible impact on population

Posted by cmdl | Apr 19, 2020 @ 06:32 PM | 4,005 Views
Mortality/capita over various pandemics range from the Bubonic Plague (about half the population died) to Covid-19 (about 1 in 50,000 people died) with most pandemics showing a negligible impact on total population. More so with pandemics since the last 400 years.

IQ decreases as population increases

Posted by cmdl | Apr 06, 2020 @ 11:28 AM | 6,510 Views
Using data from 117 countries, population and IQ have an almost perfect inverse relation as seen in the correlation coefficient.
The rate of population increase is irrelevant, any increase is sufficient.

Regardless of the cause, as long as population continues to increase, IQ will decrease.

Climate change - two simple steps

Posted by cmdl | Dec 20, 2019 @ 05:14 PM | 4,820 Views
Source: https://archive.epa.gov/climatechang...sics/past.html

Step 1: Eyeballing (or use ruler) temperature change with respect to CO2 on the left two graphs (upper is CO2, lower is temperature). Total temp change (F) divided by Total CO2 change (ppm) = Rate of change of temp w.r.t. CO2.
Calculate the rate for the two left graphs (before industrialization) and the two right graphs (after industrialization).

Step 2: Compare the rates.
For the left graphs (before industrialization), I got rate of change = (-15 F to 5F) / (175ppm to 300ppm) = 20 F / 125 ppm = 0.16 F/ppm.
For the right graphs (after industrialization), I got rate of change = (-1 F to 1.5F) / (300ppm to 400ppm) = 2.5 F / 100 ppm = 0.025 F/ppm.

The rate of change of temperature w.r.t CO2 before industrialization is 0.16/0.025 = 6.4 times greater than after industrialization.

Reviews

Posted by cmdl | Oct 09, 2016 @ 07:40 PM | 9,099 Views

Useful resources

Posted by cmdl | Feb 10, 2016 @ 10:35 AM | 11,678 Views

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Posted by cmdl | May 08, 2013 @ 03:05 PM | 4,461 Views
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