From how to French brain or play the guitar to how to unclog a sing or perform CPR, you can learn all kinds of useful skills on YouTube. We at Mental Floss are always eager to learn new things and ...

As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

Some objects provide named attachable parts that you can select instead of using the main geometry for the object. One important kind of attachable part is the inside of a tube. The anchors are all on ...

Bézier curves are parametric curves defined by polynomial equations. To work with Béziers in OpenSCAD we need to load BOSL2/std.scad, which includes the extension beziers.scad. Bézier curves vary by ...