div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: A New Type of Diffusion Cell src=https:reader031fdocumentsinreader031viewer2022020522575067ee1a28ab0f07adcfb2html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1946 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: A New Type of Diffusion Cell src=https:reader031fdocumentsinreader031viewer2022020522575067ee1a28ab0f07adcfb2html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1946 Nature Publishing Grouppdiv