Who Invented Zero?
Mathematics / History
Many concepts that we all take for granted sounded strange and foreign when first introduced. Take the number zero for instance. Any firstgrader can recognize and use zeros. They sound so logical and continue reading this fact

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

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
