Depending on context you should decide whether to use "ft." as the image does or "feet." Focus on the information that the diagram is providing, the type of soil in each funnel and the amount of water ...

Ryo Suzuki and his team at the University of Colorado Boulder are pioneering this new approach to make textbooks dynamic and ...

With just an iPad, students in any classroom across the world could soon reimagine the ordinary diagrams in any physics ...