Who Invented Pi?

Who Invented Pi?

Based on historical facts about pi, the Egyptians were the first to discover and use it. The Great Pyramid measured 1760 cubits with a height of 280 cubits. The equation 1760/280 is equal 2 x pi. Note that this is archaeological evidence; there are no specific Egyptian texts that...
Who Invented Chalk?

Who Invented Chalk?

Your first encounter with chalk might have been in the classroom where you often see your teachers use them to write on a chalkboard. The most familiar form of chalk a lot of people have come familiar with is made of slender sticks around a quarter of an inch thick and about three...
Who Invented the Pencil Sharpener?

Who Invented the Pencil...

A look at the history of pencil sharpeners shows that the Frenchman Bernard Lassimone was the first to get a patent for pencil sharpeners in 1828. Following his invention, other designers made improvements and refinements. The Early Pencil Sharpeners Pencils had been invented before the...
Who Invented the Quadratic Formula?

Who Invented the Quadra...

Solving complicated mathematical problems is done by using complicated formula—like a quadratic equation. Many branches of mathematics and science made major breakthroughs because of it. Thus, many are curious who invented the quadratic formula. The Babylonians One of the earliest and...
Who Invented the Spiral Notebook?

Who Invented the Spiral...

The established facts about spiral notebooks show it was first mentioned in the October 1934 issue of Popular Science. However the magazine did not say who the inventor was. Early accounts also called it the memorandum notebook. The Binding Aside from spiral, there are many types of...
Who Invented String Art?

Who Invented String Art...

Introduction String art refers to a novel type of design that became popular in the 1960s. It is made up of colored strings bound together to form interesting geometric patterns and shapes. String art has its basis and origin in mathematics. One can design an endless variety of string art...
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