I recently found a fun visualization tool,, that shows you the perceived size of an object based on your viewing distance. You can’t even count on that screen staying the same way up—it might be upright like a book page one moment, then laying longways the next, enlarging your text without asking. Man, have times changed. For example, to type ⊂, ⊄ or ⊆, hold Alt and press C one, two or three times. Press 6 7 8 9 after a letter ( a ă â e ê i o ô ơ u ư y đ ) to add a tone mark to it. It started me thinking… we have rules of thumb for how large text on a website should be for easy reading, but are they valid? Picking a font size for the web used to be really easy. For example, to type, press Alt + A to type, press Alt + N.
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66 points and you’re done. For example, to type,, or, hold Alt and press A one, two, three or four times. Not all of the characters in a given range will always be present in a font, and many fonts contain a few characters from ranges where they are not listed. Shift + click a button to insert its upper-case form. You can use keyboard shortcuts with the Alt key. The following list of Unicode character ranges indicates which fonts support each range. 8 degrees of arc.
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Thanks to responsive design, your web page might be read on a 9“ screen held in the hand, or on a 65” screen ten feet away from the couch. For example, Want to type faster? Conveniently enough, vision is a topic of intense scientific interest. Press 6 7 8 9 after a letter ( a e o u d ) to add a diacritical mark to it. For example, to type, or, hold Alt and press O one, two or three times. Are they based on the science of human vision and anatomy?
 They found that reading speed is fastest when the text’s x-height is 5. You could feel confident that your content would be decently readable on PC or Mac, Netscape or IE. What about different size laptop, desktop and phone screens? For example, to type, or, hold Alt and press A one, two or three times. You can use a utility such as Andrew West’s, Apple’s or WunderMoosen’s to see exactly which characters are included. Press the key again to type the digit 6 7. You can find details of the ranges supported by each font, and information on how to obtain the fonts, in,,, and.
For example, to type ɔ or ɒ, hold Alt and press O once or twice. A few years ago, a psychologist and a media researcher teamed up to review findings from vision science and typography to find out how text size affects reading speed and comprehension.