Scientist create TRANSPARENT wood as clear as glass but five times more thermally efficient 

Scientists transform wood from balsa trees into a transparent state that could someday replace conventional glass. The innovation is said to be stronger and five times more thermally efficient. https://www.dailymail.co.uk/sciencetech/article-8807515/Scientist-create-TRANSPARENT-wood-clear-glass-five-times-thermally-efficient.html?ns_mchannel=rss&ns_campaign=1490&ito=1490