div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: The science of colour aka 2 + 2 = Blue src=https:reader034fdocumentsnetreader034viewer202205260658efe1fa1a28ab1a3e8b45bdhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv