Patterns are aligned vertically and horizontally, but they appear to bend. Moreover, there appear to be dark-gray turtles and light-gray ones, though they are the same luminance.pic.twitter.com/AMt60y3Sz8
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Practical use: because our vision does not see every little detail, but always averages the intensities with some finite resolution, the appearance of a vast number of colors can be created by using only the pure RGB pixels in TVs and computer monitors: https://en.wikipedia.org/wiki/Pixel_geometry …pic.twitter.com/lksiZA3I2e
CMY images (subtractive color mixture) are obtained as well.pic.twitter.com/lLVdwsorJI
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.