Optical illusions are powerful tools to reveal your perception power. These show how your brain and eyes work together to process the visual stimuli. These illusions exploit or trick your brain into ...

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

A great way to make your Word document easier to read and more visually appealing is to separate sections in the document by inserting a graphical horizontal line. Word provides a number of attractive ...

When you're ready to have employees sign on the dotted – or not so dotted – line, you need to point out where they should actually place their John Hancocks on your document. With Microsoft Word, it's ...

Android phones come in all shapes and sizes, and they work pretty well for the most part. However, users frequently report weird issues that sour their phone experience. Many have complained that ...