Most professionals would put a polygon on the end of a turned part using a milling machine. But many a hobbyist doesn’t have a mill. And if the polygon needs to be accurately centered, remounting the ...

What happens when you rapidly rotate the bottom plate of an otherwise stationary cylinder filled with water? According to new work by physicists in Denmark, you produce rotating polygons with up to ...

How to change the axis of rotation (sort of) for a shape in PowerPoint Your email has been sent Illustration: Lisa Hornung, Getty Images/iStockPhoto Must-read Windows coverage CrowdStrike Outage ...