If you think AutoCad is complicated, what with its terrifying number of keyboard shortcuts, you should check out SketchPad, the world’s first electronic drafting program. Designed by Ivan Sutherland ...

While writing the 3D imagery post we came across this oddity: If you draw a path in Google Earth, the line segments follow geodesics, which are parts of great circles. If you draw a polygon, the sides ...

PowerPoint comes with dozens of free shapes; circles, stars and even smiley faces are only a few clicks away. If you don't find a shape you like, draw your own using the built-in free-form drawing ...