div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-professor-sun-xiaowei-and-mr-liu-he-st-photo-lau-fook-kong-ntu-teams-smarthtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Professor Sun Xiaowei and Mr Liu He ST PHOTO: LAU FOOK KONG NTU teams smart window scores a first in energy use Invention generates its own electricity helps save power By loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220419135e6864d2079aa85e6443dff7html5thumbnails1jpg width=140 height=200 divdiv