A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...

Whether you’re a DIYer installing crown molding, a woodworker tackling tricky angles on a custom bookshelf, or a contractor ...

Because of supposed design difficulties with more complex shapes, do-it-yourselfers often stick to basic squares or rectangles when using landscaping timbers and railroad ties to make borders for ...

Dr. Quantum blows your mind in a sublimely weird cartoon. Includes higher-dimensional tickling and the question “Are you a god?” This post is from Observer Short List—an email of three favorite things ...