https://publiclibrariesonline.org/2014/02/the-physical-effects-of-e-reading/?utm_source=rss&utm_medium=rss&utm_campaign=the-physical-effects-of-e-reading A Publication of the Public Library Association Mon, 24 Nov 2014 19:57:47 +0000 hourly 1 https://wordpress.org/?v=6.4.5 https://publiclibrariesonline.org/2014/02/the-physical-effects-of-e-reading/#comment-349999 Mon, 24 Nov 2014 19:57:47 +0000 http://publiclibrariesonline.org/?p=3976#comment-349999 how much time should I wait after have read for 20 minutes in a e-book? in other words, how long should my brake be at least?

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