When working with circles it is important to recognise and be able to name different parts of the circle. A segment of a circle is an area enclosed by a chord and an arc. What is the name given to a ...

IN Sky and Telescope of September, under the heading “Saluting an Astronomer”, Joseph R. Habes has an article which describes the method adopted by Eratosthenes for measuring the circumference of the ...

Around 250 B.C., the Greek mathematician Archimedes calculated the ratio of a circle's circumference to its diameter. A precise determination of pi, as we know this ratio today, had long been of ...

Archimedes of Syracuse was one of the greatest mathematicians in history. He was also a great inventor and scientist. Most of what we know about Archimedes today comes from his writings and those of ...

In short, tires are precisely-engineered pieces of rubber, chemicals, fabric and metal that are designed to provide traction, cushion road shock and carry a specified load under all kinds of ...

Following work which began in the 1970s and spanned nearly 40 years, Peter Harris and Norman Stockdale identified a “new” unit of length in 2015. They called it the Harris and Stockdale Megalithic ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...

In my book “Hallu-Cygns – Language of Creation,” I try to prove that all megalith-builders all over the world at one time used the same numerical matrix to construct and tune their enigmatic stone ...

Credit investment firm Diameter Capital Partners has raised $4.5 billion for its latest fund aiming to seize on market ...

The shares slid in anticipation of lower U.S. interest rates, which would reduce revenue from reserve assets held to back the ...