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 ...

The Raspberry Pi maker community never ceases to amaze us and today we have a project that's no exception. Maker and ...

In order to see how well a corn plant is performing photosynthesis, you need to check the angle of its leaves relative to its stem. And while scientists ordinarily have to do so manually with a ...

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 ...