With so many books in the world, reading can be an endlessly expensive hobby. But thanks to the internet and the magic of libraries, there are a ton of ways to read your favorite books for free, from ...

This workbench will provide a working model of a cycloidal drive that can be 3d printed. This was done as a workbench since all parts need to be mathematically correct in shape and size in order to ...

If you're a fan of life simulation games, you'll be happy to hear that The Sims 4 has officially gone free to play. Although the expansion packs and DLCs will still cost money, you can download the ...

Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...