Lecture: The Hurley Heritage Society will have a Zoom lecture on Thursday, April 30, at 7 p.m., titled “Building the Old South Plantation in the Hudson River Valley: Middle-Class Idylls of Service and ...

Where centralised societies excel at extraction, African fractal systems allow for circulation, reciprocity and return ...

Think you can trust your eyes? Think again. What feels undeniable at first glance is sometimes a surprise, an illusion, or an ...

We’ve all done it. You pull up your vector editing tool, draw a perfect circle, another one inside the first one, cut the second one out, align the whole thing to the editor’s on-screen grid – so ...

The perimeter of a circle is called the circumference. The shortest distance from the centre to the circumference is called the radius. The line across the centre of a circle is the diameter, this is ...

The modules in this file allows you to attach one object to another by making one object the child of another object. You can place the child object in relation to its parent object and control the ...

This file includes stroke(), which converts a path into a geometric object, like drawing with a pen. It even works on three-dimensional paths. You can make a dashed line or add arrow heads. The turtle ...