Learn how to draw a bottlenose dolphin step by step with an easy method that helps beginners create a clean and realistic ...

Crocodiles have a powerful shape and rugged texture that make them an exciting subject for drawing practice. This tutorial ...

Electron tomography enables high-resolution 3D imaging but is limited by radiation sensitivity. Here, the authors demonstrate a phase retrieval method using multiple tilted HRTEM focal series, ...

This is the extensible drawing editor Ipe. Ipe allows you to create figures in PDF format, for inclusion into LaTeX (or plain TeX) documents as well as stand-alone PDF documents, for instance to print ...