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 ...

It is considered obvious today that Earth is roughly a sphere and that it can be measured like any spherical object. Scientists technically call it an oblate spheroid, but it is still sphere-like in ...

In today’s age, “How far is the stream?” is an oft-repeated query that trekking and hiking groups brace themselves for from the newbies, before breaking into a wry smile. They then recount an amusing ...

In the study of circular functions, the unit circle plays a central role in linking angles with trigonometric values. By defining sine, cosine, and tangent in terms of coordinates on a circle of ...

Please add a chart option for Donut/Pie charts that use a circumference less than 360 to position the arcs as if the chart were a full circle. Currently the chart does a good job of sizing and laying ...

Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = C/d. The circumference of a circle is, in turn, equal to 2πr, where r is ...

Beer is best served cold, and it turns out that math can help with that. Cláudio de Castro Pellegrini of the Federal University of São João del-Rei in Brazil recently set out to formulate an equation ...

Jake Fillery is an Evergreen Editor for Game Rant who has been writing lists, guides, and reviews since 2022. With thousands of engaging articles and guides, Jake loves conversations surrounding all ...