For many years, the protractor has been one of the essential tools used in classrooms and workshops in geometry and design.

Early on, mathematics was of great importance for astronomy, navigation, time measurement, and surveying. As can be seen from contemporary textbooks by Benjamin Bramer, Levinus Hulsius, and Leonhard ...

Have you ever needed to draw a perfect right angle or precisely measure an angle while working on a project? If you’re not sure what tool to use for that, you need a set square. These nifty little ...

He was consumed with abstract painting and determined to keep it alive even when it became an unpopular cause among younger artists. An Appraisal He was consumed with abstract painting and determined ...

An equilateral triangle is a type of polygon with three congruent sides and angles, each measuring 60 degrees. This simple yet elegant geometric shape has various applications in art, construction, ...

The Japanese Space Flyer Unit with solar array unfurled. Photographed from the approaching space shuttle Endeavour during mission STS-72. Credit: NASA Say you’re going to launch a satellite into space ...

Frank Stella burst onto the New York art scene in the late 1950s. Barely 23, he held his first solo show in 1960, at the prestigious Leo Castelli Gallery. It is something of an understatement to say ...

Photo credit: Kathy Cassidy via flickr (CC BY-NC-SA 2.0) More and more classrooms are gaining access to technology that can be used with students. Whether you're modeling a lesson, creating stations, ...