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The BMI takes the sum of the inflation and unemployment rates, and adds to that the interest rate, plus (minus) the shortfall (surplus) between the actual and trend rate of GDP growth. In the late 2000s, Johns Hopkins economist Steve Hanke built upon Barro's misery index and began applying it to countries beyond the United States. His modified ...
The Arithmometer, invented in 1820 as a four-operation mechanical calculator, was released to production in 1851 as an adding machine and became the first commercially successful unit; forty years later, by 1890, about 2,500 arithmometers had been sold [16] plus a few hundreds more from two arithmometer clone makers (Burkhardt, Germany, 1878 ...
The rate of natural increase (RNI) is defined as the birth rate minus the death rate. It is typically expressed either as a number per 1,000 individuals in the population or as a percentage. It is typically expressed either as a number per 1,000 individuals in the population or as a percentage.
Canonically, and originally, in 1958 when Smoot was a Lambda Chi Alpha pledge at MIT (class of 1962), the bridge was measured to be 364.4 Smoots, plus or minus one ear, using Mr. Smoot himself as a ruler. [17] At the time, Smoot was 5 feet, 7 inches, or 170 cm, tall. [18] Google Earth and Google Calculator include the smoot as a unit of ...
This is a list of U.S. states by total electricity generation, percent of generation that is renewable, total renewable generation, percent of total domestic renewable generation, [1] and carbon intensity in 2022. [2] The largest renewable electricity source was wind, which has exceeded hydro since 2019. [3]
The percentage of the children born in London who died before the age of five decreased from 74.5% in 1730–1749 to 31.8% in 1810–1829. [39] [40] Between 1700 and 1900, Europe's population increased from about 100 million to over 400 million. [41]
The percentage shares of China, India and rest of South Asia of the world population have remained at similar levels for the last few thousand years of recorded history. [ 1 ] [ 2 ] The world's literacy rate has increased dramatically in the last 40 years, from 66.7% in 1979 to 86.3% today. [ 3 ]
isotope half-life 10 −6 seconds ; lead-196m2 <1 polonium-192m ~1 radon-210m3: 1.04 thorium-219: 1.05 polonium-206m2: 1.05 radon-210m2: 1.06 curium-243m: 1.08 actinium-218