When you make your iPhone black and white with Grayscale, it can save some battery and be easier on your eyes, and it could curb phone addiction. Business Insider Subscribe Newsletters ...

Only black ink is needed to print in greyscale, so this won't require or deplete any of your color ink. You can often still make out aspects of designs and images using grayscale. More For You ...

You’ll notice that when grayscale is used to add black and white to a picture, there aren’t many options to determine the intensity of the color. This is where desaturation comes into play ...

Click the "Grayscale" or "Black and White" tab and then "Back to Color View" to change the presentation back to color. If images are still playing in color, replace them with imported images that ...

You can create black or white slides in PowerPoint. To make and show your PowerPoint slides in Grayscale, follow these methods: Use the keyboard shortcuts Show black or white slide via the ...