How To Calculate The Circumference Of A Circle
Mathematics / Geometry
A circle is what you get if you take a straight line and bend it around so that its ends touch. You can demonstrate this by taking a piece of stiff wire and doing just that: bring the ends of the wire continue reading this fact

How To Calculate The Volume Of A Right Cone
Mathematics / Geometry
Cones are used every day for a variety of purposes. Perhaps the most useful application of the cone shape is as a funnel. For finding the volume, a cone is best viewed as a stack of circles, each one continue reading this fact

Origins Of The Meter
Mathematics / History
The origins of the meter go back to at least the 18th century. At that time, there were two competing approaches to the definition of a standard unit of length. Some suggested defining the meter as th continue reading this fact
