Unfortunately, although the Earth was flat, no one was able to figure out its size. Gradually, however, people began to realize that the Earth was really round.Then, in the third century BC (2,300 years ago), a Greek man named Eratosthenes had an idea. Eratosthenes was sure that the E...
For the last century or so, computers and calculators have been built from a variety of switching devices that can either be in one position or another. Just like a light-switch, they're either "on" or "off." For that reason, computers and calculators store and process numbers using what...
other effect size is eta-squared, with measures the strength of the relationship between two variables. For eta-squared, a score of .05 is a weak effect, .10 is a medium effect, and .15 is a strong effect. Both of these effect sizes can be calculated by hand, or you can ask for ...
Greek polymath Archimedes (circa 287-212 BCE) was the one who came up with the method to calculate Pi that remained in use till the 17th century. Archimedes realized that the perimeter of a regular polygon of ‘n’ sides inscribed in a circle is smaller than the circumference of the circle...
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The Moon is—very gradually—slowing the Earth's rotation because of friction produced bytides. Over the course of a century, the length of a day increases by a couple of milliseconds (where 1 millisecond equals 0.001 seconds). Within this general trend, however, there is fluctuation: sometime...
What is the compound interest for $5000 at 5% for 4 years? What is the difference between biomass and fossil fuel? Illustrate the process of bone growth. How many minutes are in a century? What is decay theory? Use dimensional analysis to convert 4 days into seconds what is distance decay...
wants his country’s GDP per person to surpass the World Bank’s high-income threshold three years before then. Indonesia’s leaders reckon that they have until the mid-century mark (when an ageing population will start to drag on growth) to catch up with rich countries. 2050 is also the...
Goodwill is calculated as the difference between the amount of consideration transferred from acquirer to acquiree and net identifiable assets acquired. History of Goodwill The concept of goodwill in business affairs goes back at least a century. One of the first definitions of it appeared in "Ha...
Another way togenerate economic growthis to grow the labor force. All else being equal, more workers generate more economic goods and services. During the 19th century, a portion of the robust U.S. economic growth was due to a high influx of cheap, productive immigrant labor. However, as ...