A good illusion is a few different things all at once. Depending on how you look at it, you could say it’s a work of art, a puzzle, or a piece of graphic design (Or an old woman! Or a young woman! Or ...

Who cares about penmanship if we’re typing everything and reading words on a screen? But then again, handwriting is a fascinating window into human cognitive activity. Sure, graphology is a murky ...

To any sighted person, braille looks like a language masked in encrypted code. It’s incredible, but totally indecipherable. As a result, braille is a companion to our visual language–an add-on for ...