I have two 3D-rectangular regions defined by a min and max corner and a transformation matrix. I want to test to see if they intersect, and was wondering if there is a simple algorithm I am ...

In this KS1 Maths article you'll learn about 3D shapes such as cubes, pyramids and spheres. We also have KS1 Maths videos, a quiz and lots of examples.

The iPhone’s 3D Touch makes certain actions a little simpler, but here’s one shortcut that’s easy to overlook.You can press on any folder icon and get a quick list of your notifications.