Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.

The field of tissue engineering aims to replicate the structure and function of real biological tissues. This engineered tissue has potential applications in disease modeling, drug discovery, and ...

There are tools that automatically compare the differences between two PDF files, but you can't detect the difference well unless they are almost the same text. When comparing PDF files with a revised ...

3D printing is awesome, and the STL format has emerged as a standard way to share printable 3D models. To support this community, SketchUp has gathered a couple of Ruby plugins and packaged them into ...